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Finding the Fourth Proportional to 61,474.52, 92,068.25 and 47,322.26

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Solution

The fourth proportional to 61,474.52, 92,068.25 and 47,322.26 is: 70,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,474.52 : 92,068.25 = 47,322.26 : x
  2. Step 2: Convert to fraction form
    61,474.52/92,068.25 = 47,322.26/x
  3. Step 3: Cross multiply
    61,474.52x = 92,068.25 × 47,322.26
  4. Step 4: Simplify right side
    61,474.52x = 4,356,876,967.29
  5. Step 5: Solve for x
    x = 4,356,876,967.29/61,474.52
  6. Step 6: Final answer
    x = 70,872.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.