Home / 107,120.28-147,823.68-59,373.18

Finding the Fourth Proportional to 107,120.28, 147,823.68 and 59,373.18

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Solution

The fourth proportional to 107,120.28, 147,823.68 and 59,373.18 is: 81,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,120.28 : 147,823.68 = 59,373.18 : x
  2. Step 2: Convert to fraction form
    107,120.28/147,823.68 = 59,373.18/x
  3. Step 3: Cross multiply
    107,120.28x = 147,823.68 × 59,373.18
  4. Step 4: Simplify right side
    107,120.28x = 8,776,761,960.90
  5. Step 5: Solve for x
    x = 8,776,761,960.90/107,120.28
  6. Step 6: Final answer
    x = 81,933.71

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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.