Home / 107,512.52-148,345.62-62,791.88

Finding the Fourth Proportional to 107,512.52, 148,345.62 and 62,791.88

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Solution

The fourth proportional to 107,512.52, 148,345.62 and 62,791.88 is: 86,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,512.52 : 148,345.62 = 62,791.88 : x
  2. Step 2: Convert to fraction form
    107,512.52/148,345.62 = 62,791.88/x
  3. Step 3: Cross multiply
    107,512.52x = 148,345.62 × 62,791.88
  4. Step 4: Simplify right side
    107,512.52x = 9,314,900,369.57
  5. Step 5: Solve for x
    x = 9,314,900,369.57/107,512.52
  6. Step 6: Final answer
    x = 86,640.15

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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.