Home / 69,952.78-96,534.96-38,121.68

Finding the Fourth Proportional to 69,952.78, 96,534.96 and 38,121.68

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Solution

The fourth proportional to 69,952.78, 96,534.96 and 38,121.68 is: 52,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.78 : 96,534.96 = 38,121.68 : x
  2. Step 2: Convert to fraction form
    69,952.78/96,534.96 = 38,121.68/x
  3. Step 3: Cross multiply
    69,952.78x = 96,534.96 × 38,121.68
  4. Step 4: Simplify right side
    69,952.78x = 3,680,074,853.93
  5. Step 5: Solve for x
    x = 3,680,074,853.93/69,952.78
  6. Step 6: Final answer
    x = 52,607.99

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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.