Home / 70,189.38-96,861.39-38,358.29

Finding the Fourth Proportional to 70,189.38, 96,861.39 and 38,358.29

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Solution

The fourth proportional to 70,189.38, 96,861.39 and 38,358.29 is: 52,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,189.38 : 96,861.39 = 38,358.29 : x
  2. Step 2: Convert to fraction form
    70,189.38/96,861.39 = 38,358.29/x
  3. Step 3: Cross multiply
    70,189.38x = 96,861.39 × 38,358.29
  4. Step 4: Simplify right side
    70,189.38x = 3,715,436,803.12
  5. Step 5: Solve for x
    x = 3,715,436,803.12/70,189.38
  6. Step 6: Final answer
    x = 52,934.46

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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.