Home / 57,123.40-85,685.10-44,001.40

Finding the Fourth Proportional to 57,123.40, 85,685.10 and 44,001.40

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Solution

The fourth proportional to 57,123.40, 85,685.10 and 44,001.40 is: 66,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,123.40 : 85,685.10 = 44,001.40 : x
  2. Step 2: Convert to fraction form
    57,123.40/85,685.10 = 44,001.40/x
  3. Step 3: Cross multiply
    57,123.40x = 85,685.10 × 44,001.40
  4. Step 4: Simplify right side
    57,123.40x = 3,770,264,359.14
  5. Step 5: Solve for x
    x = 3,770,264,359.14/57,123.40
  6. Step 6: Final answer
    x = 66,002.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.