Home / 61,731.36-92,542.32-29,691.72

Finding the Fourth Proportional to 61,731.36, 92,542.32 and 29,691.72

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Solution

The fourth proportional to 61,731.36, 92,542.32 and 29,691.72 is: 44,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,731.36 : 92,542.32 = 29,691.72 : x
  2. Step 2: Convert to fraction form
    61,731.36/92,542.32 = 29,691.72/x
  3. Step 3: Cross multiply
    61,731.36x = 92,542.32 × 29,691.72
  4. Step 4: Simplify right side
    61,731.36x = 2,747,740,653.59
  5. Step 5: Solve for x
    x = 2,747,740,653.59/61,731.36
  6. Step 6: Final answer
    x = 44,511.26

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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.