Home / 94,893.26-142,292.10-31,691.12

Finding the Fourth Proportional to 94,893.26, 142,292.10 and 31,691.12

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Solution

The fourth proportional to 94,893.26, 142,292.10 and 31,691.12 is: 47,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,893.26 : 142,292.10 = 31,691.12 : x
  2. Step 2: Convert to fraction form
    94,893.26/142,292.10 = 31,691.12/x
  3. Step 3: Cross multiply
    94,893.26x = 142,292.10 × 31,691.12
  4. Step 4: Simplify right side
    94,893.26x = 4,509,396,016.15
  5. Step 5: Solve for x
    x = 4,509,396,016.15/94,893.26
  6. Step 6: Final answer
    x = 47,520.72

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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.