Home / 57,212.10-85,818.15-38,501.10

Finding the Fourth Proportional to 57,212.10, 85,818.15 and 38,501.10

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Solution

The fourth proportional to 57,212.10, 85,818.15 and 38,501.10 is: 57,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.10 : 85,818.15 = 38,501.10 : x
  2. Step 2: Convert to fraction form
    57,212.10/85,818.15 = 38,501.10/x
  3. Step 3: Cross multiply
    57,212.10x = 85,818.15 × 38,501.10
  4. Step 4: Simplify right side
    57,212.10x = 3,304,093,174.97
  5. Step 5: Solve for x
    x = 3,304,093,174.97/57,212.10
  6. Step 6: Final answer
    x = 57,751.65

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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.