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Finding the Fourth Proportional to 62,759, 94,150.10 and 20,641.40

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Solution

The fourth proportional to 62,759, 94,150.10 and 20,641.40 is: 30,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,759 : 94,150.10 = 20,641.40 : x
  2. Step 2: Convert to fraction form
    62,759/94,150.10 = 20,641.40/x
  3. Step 3: Cross multiply
    62,759x = 94,150.10 × 20,641.40
  4. Step 4: Simplify right side
    62,759x = 1,943,389,874.14
  5. Step 5: Solve for x
    x = 1,943,389,874.14/62,759
  6. Step 6: Final answer
    x = 30,965.92

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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.