Home / 70,218.25-96,901.17-38,387.14

Finding the Fourth Proportional to 70,218.25, 96,901.17 and 38,387.14

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Solution

The fourth proportional to 70,218.25, 96,901.17 and 38,387.14 is: 52,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,218.25 : 96,901.17 = 38,387.14 : x
  2. Step 2: Convert to fraction form
    70,218.25/96,901.17 = 38,387.14/x
  3. Step 3: Cross multiply
    70,218.25x = 96,901.17 × 38,387.14
  4. Step 4: Simplify right side
    70,218.25x = 3,719,758,778.95
  5. Step 5: Solve for x
    x = 3,719,758,778.95/70,218.25
  6. Step 6: Final answer
    x = 52,974.24

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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.