Home / 90,775.92-136,163.17-24,221.40

Finding the Fourth Proportional to 90,775.92, 136,163.17 and 24,221.40

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Solution

The fourth proportional to 90,775.92, 136,163.17 and 24,221.40 is: 36,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,775.92 : 136,163.17 = 24,221.40 : x
  2. Step 2: Convert to fraction form
    90,775.92/136,163.17 = 24,221.40/x
  3. Step 3: Cross multiply
    90,775.92x = 136,163.17 × 24,221.40
  4. Step 4: Simplify right side
    90,775.92x = 3,298,062,605.84
  5. Step 5: Solve for x
    x = 3,298,062,605.84/90,775.92
  6. Step 6: Final answer
    x = 36,331.91

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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.