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Finding the Fourth Proportional to 61,269.60, 84,547.86 and 34,414.59

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Solution

The fourth proportional to 61,269.60, 84,547.86 and 34,414.59 is: 47,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,269.60 : 84,547.86 = 34,414.59 : x
  2. Step 2: Convert to fraction form
    61,269.60/84,547.86 = 34,414.59/x
  3. Step 3: Cross multiply
    61,269.60x = 84,547.86 × 34,414.59
  4. Step 4: Simplify right side
    61,269.60x = 2,909,679,937.28
  5. Step 5: Solve for x
    x = 2,909,679,937.28/61,269.60
  6. Step 6: Final answer
    x = 47,489.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.