Home / 95,120.33-142,686.65-31,937.90

Finding the Fourth Proportional to 95,120.33, 142,686.65 and 31,937.90

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Solution

The fourth proportional to 95,120.33, 142,686.65 and 31,937.90 is: 47,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,120.33 : 142,686.65 = 31,937.90 : x
  2. Step 2: Convert to fraction form
    95,120.33/142,686.65 = 31,937.90/x
  3. Step 3: Cross multiply
    95,120.33x = 142,686.65 × 31,937.90
  4. Step 4: Simplify right side
    95,120.33x = 4,557,111,085.91
  5. Step 5: Solve for x
    x = 4,557,111,085.91/95,120.33
  6. Step 6: Final answer
    x = 47,908.91

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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.