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Finding the Fourth Proportional to 61,326.70, 84,606.86 and 34,463.04

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Solution

The fourth proportional to 61,326.70, 84,606.86 and 34,463.04 is: 47,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,326.70 : 84,606.86 = 34,463.04 : x
  2. Step 2: Convert to fraction form
    61,326.70/84,606.86 = 34,463.04/x
  3. Step 3: Cross multiply
    61,326.70x = 84,606.86 × 34,463.04
  4. Step 4: Simplify right side
    61,326.70x = 2,915,809,600.45
  5. Step 5: Solve for x
    x = 2,915,809,600.45/61,326.70
  6. Step 6: Final answer
    x = 47,545.52

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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.