Home / 107,407.71-148,189.20-62,069.18

Finding the Fourth Proportional to 107,407.71, 148,189.20 and 62,069.18

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Solution

The fourth proportional to 107,407.71, 148,189.20 and 62,069.18 is: 85,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,407.71 : 148,189.20 = 62,069.18 : x
  2. Step 2: Convert to fraction form
    107,407.71/148,189.20 = 62,069.18/x
  3. Step 3: Cross multiply
    107,407.71x = 148,189.20 × 62,069.18
  4. Step 4: Simplify right side
    107,407.71x = 9,197,981,387.91
  5. Step 5: Solve for x
    x = 9,197,981,387.91/107,407.71
  6. Step 6: Final answer
    x = 85,636.14

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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.