Home / 107,174.57-147,902.40-58,780.71

Finding the Fourth Proportional to 107,174.57, 147,902.40 and 58,780.71

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Solution

The fourth proportional to 107,174.57, 147,902.40 and 58,780.71 is: 81,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,174.57 : 147,902.40 = 58,780.71 : x
  2. Step 2: Convert to fraction form
    107,174.57/147,902.40 = 58,780.71/x
  3. Step 3: Cross multiply
    107,174.57x = 147,902.40 × 58,780.71
  4. Step 4: Simplify right side
    107,174.57x = 8,693,808,082.70
  5. Step 5: Solve for x
    x = 8,693,808,082.70/107,174.57
  6. Step 6: Final answer
    x = 81,118.20

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1.5x scale

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.