Home / 107,149.47-147,869.87-59,399.97

Finding the Fourth Proportional to 107,149.47, 147,869.87 and 59,399.97

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Solution

The fourth proportional to 107,149.47, 147,869.87 and 59,399.97 is: 81,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,149.47 : 147,869.87 = 59,399.97 : x
  2. Step 2: Convert to fraction form
    107,149.47/147,869.87 = 59,399.97/x
  3. Step 3: Cross multiply
    107,149.47x = 147,869.87 × 59,399.97
  4. Step 4: Simplify right side
    107,149.47x = 8,783,465,544.90
  5. Step 5: Solve for x
    x = 8,783,465,544.90/107,149.47
  6. Step 6: Final answer
    x = 81,973.95

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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.