Home / 62,658.11-93,996.12-20,529.20

Finding the Fourth Proportional to 62,658.11, 93,996.12 and 20,529.20

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Solution

The fourth proportional to 62,658.11, 93,996.12 and 20,529.20 is: 30,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,658.11 : 93,996.12 = 20,529.20 : x
  2. Step 2: Convert to fraction form
    62,658.11/93,996.12 = 20,529.20/x
  3. Step 3: Cross multiply
    62,658.11x = 93,996.12 × 20,529.20
  4. Step 4: Simplify right side
    62,658.11x = 1,929,665,146.70
  5. Step 5: Solve for x
    x = 1,929,665,146.70/62,658.11
  6. Step 6: Final answer
    x = 30,796.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.