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Finding the Fourth Proportional to 61,967.97, 93,289.14 and 56,456.73

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Solution

The fourth proportional to 61,967.97, 93,289.14 and 56,456.73 is: 84,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,967.97 : 93,289.14 = 56,456.73 : x
  2. Step 2: Convert to fraction form
    61,967.97/93,289.14 = 56,456.73/x
  3. Step 3: Cross multiply
    61,967.97x = 93,289.14 × 56,456.73
  4. Step 4: Simplify right side
    61,967.97x = 5,266,799,788.91
  5. Step 5: Solve for x
    x = 5,266,799,788.91/61,967.97
  6. Step 6: Final answer
    x = 84,992.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.