Home / 82,267.26-123,400.88-19,937.76

Finding the Fourth Proportional to 82,267.26, 123,400.88 and 19,937.76

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Solution

The fourth proportional to 82,267.26, 123,400.88 and 19,937.76 is: 29,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,267.26 : 123,400.88 = 19,937.76 : x
  2. Step 2: Convert to fraction form
    82,267.26/123,400.88 = 19,937.76/x
  3. Step 3: Cross multiply
    82,267.26x = 123,400.88 × 19,937.76
  4. Step 4: Simplify right side
    82,267.26x = 2,460,336,641.55
  5. Step 5: Solve for x
    x = 2,460,336,641.55/82,267.26
  6. Step 6: Final answer
    x = 29,906.63

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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.