Home / 80,866.10-121,299.15-41,500.10

Finding the Fourth Proportional to 80,866.10, 121,299.15 and 41,500.10

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Solution

The fourth proportional to 80,866.10, 121,299.15 and 41,500.10 is: 62,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,866.10 : 121,299.15 = 41,500.10 : x
  2. Step 2: Convert to fraction form
    80,866.10/121,299.15 = 41,500.10/x
  3. Step 3: Cross multiply
    80,866.10x = 121,299.15 × 41,500.10
  4. Step 4: Simplify right side
    80,866.10x = 5,033,926,854.92
  5. Step 5: Solve for x
    x = 5,033,926,854.92/80,866.10
  6. Step 6: Final answer
    x = 62,250.15

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Similar ratio
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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.