Home / 70,765.24-97,660.10-38,934.92

Finding the Fourth Proportional to 70,765.24, 97,660.10 and 38,934.92

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Solution

The fourth proportional to 70,765.24, 97,660.10 and 38,934.92 is: 53,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,765.24 : 97,660.10 = 38,934.92 : x
  2. Step 2: Convert to fraction form
    70,765.24/97,660.10 = 38,934.92/x
  3. Step 3: Cross multiply
    70,765.24x = 97,660.10 × 38,934.92
  4. Step 4: Simplify right side
    70,765.24x = 3,802,388,180.69
  5. Step 5: Solve for x
    x = 3,802,388,180.69/70,765.24
  6. Step 6: Final answer
    x = 53,732.43

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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.