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Finding the Fourth Proportional to 67,098.98, 92,605.32 and 43,294.90

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Solution

The fourth proportional to 67,098.98, 92,605.32 and 43,294.90 is: 59,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,098.98 : 92,605.32 = 43,294.90 : x
  2. Step 2: Convert to fraction form
    67,098.98/92,605.32 = 43,294.90/x
  3. Step 3: Cross multiply
    67,098.98x = 92,605.32 × 43,294.90
  4. Step 4: Simplify right side
    67,098.98x = 4,009,338,068.87
  5. Step 5: Solve for x
    x = 4,009,338,068.87/67,098.98
  6. Step 6: Final answer
    x = 59,752.59

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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.