Home / 70,753.38-97,642.26-38,924.70

Finding the Fourth Proportional to 70,753.38, 97,642.26 and 38,924.70

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Solution

The fourth proportional to 70,753.38, 97,642.26 and 38,924.70 is: 53,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,753.38 : 97,642.26 = 38,924.70 : x
  2. Step 2: Convert to fraction form
    70,753.38/97,642.26 = 38,924.70/x
  3. Step 3: Cross multiply
    70,753.38x = 97,642.26 × 38,924.70
  4. Step 4: Simplify right side
    70,753.38x = 3,800,695,677.82
  5. Step 5: Solve for x
    x = 3,800,695,677.82/70,753.38
  6. Step 6: Final answer
    x = 53,717.51

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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.