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Finding the Fourth Proportional to 62,972, 86,900.04 and 34,677.92

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Solution

The fourth proportional to 62,972, 86,900.04 and 34,677.92 is: 47,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,972 : 86,900.04 = 34,677.92 : x
  2. Step 2: Convert to fraction form
    62,972/86,900.04 = 34,677.92/x
  3. Step 3: Cross multiply
    62,972x = 86,900.04 × 34,677.92
  4. Step 4: Simplify right side
    62,972x = 3,013,512,635.12
  5. Step 5: Solve for x
    x = 3,013,512,635.12/62,972
  6. Step 6: Final answer
    x = 47,854.80

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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.