Home / 50,555.40-75,833.10-49,899.30

Finding the Fourth Proportional to 50,555.40, 75,833.10 and 49,899.30

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Solution

The fourth proportional to 50,555.40, 75,833.10 and 49,899.30 is: 74,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,555.40 : 75,833.10 = 49,899.30 : x
  2. Step 2: Convert to fraction form
    50,555.40/75,833.10 = 49,899.30/x
  3. Step 3: Cross multiply
    50,555.40x = 75,833.10 × 49,899.30
  4. Step 4: Simplify right side
    50,555.40x = 3,784,018,606.83
  5. Step 5: Solve for x
    x = 3,784,018,606.83/50,555.40
  6. Step 6: Final answer
    x = 74,848.95

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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.