Home / 107,147.97-147,867.80-59,398.47

Finding the Fourth Proportional to 107,147.97, 147,867.80 and 59,398.47

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Solution

The fourth proportional to 107,147.97, 147,867.80 and 59,398.47 is: 81,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,147.97 : 147,867.80 = 59,398.47 : x
  2. Step 2: Convert to fraction form
    107,147.97/147,867.80 = 59,398.47/x
  3. Step 3: Cross multiply
    107,147.97x = 147,867.80 × 59,398.47
  4. Step 4: Simplify right side
    107,147.97x = 8,783,120,785.27
  5. Step 5: Solve for x
    x = 8,783,120,785.27/107,147.97
  6. Step 6: Final answer
    x = 81,971.88

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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.