Home / 95,128.83-131,280.75-52,691.31

Finding the Fourth Proportional to 95,128.83, 131,280.75 and 52,691.31

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Solution

The fourth proportional to 95,128.83, 131,280.75 and 52,691.31 is: 72,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,128.83 : 131,280.75 = 52,691.31 : x
  2. Step 2: Convert to fraction form
    95,128.83/131,280.75 = 52,691.31/x
  3. Step 3: Cross multiply
    95,128.83x = 131,280.75 × 52,691.31
  4. Step 4: Simplify right side
    95,128.83x = 6,917,354,695.28
  5. Step 5: Solve for x
    x = 6,917,354,695.28/95,128.83
  6. Step 6: Final answer
    x = 72,715.65

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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.