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Finding the Fourth Proportional to 61,419.25, 92,125.22 and 36,132.98

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Solution

The fourth proportional to 61,419.25, 92,125.22 and 36,132.98 is: 54,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,419.25 : 92,125.22 = 36,132.98 : x
  2. Step 2: Convert to fraction form
    61,419.25/92,125.22 = 36,132.98/x
  3. Step 3: Cross multiply
    61,419.25x = 92,125.22 × 36,132.98
  4. Step 4: Simplify right side
    61,419.25x = 3,328,758,731.76
  5. Step 5: Solve for x
    x = 3,328,758,731.76/61,419.25
  6. Step 6: Final answer
    x = 54,197.32

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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.