Home / 69,331.20-95,651.40-45,471.12

Finding the Fourth Proportional to 69,331.20, 95,651.40 and 45,471.12

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Solution

The fourth proportional to 69,331.20, 95,651.40 and 45,471.12 is: 62,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,331.20 : 95,651.40 = 45,471.12 : x
  2. Step 2: Convert to fraction form
    69,331.20/95,651.40 = 45,471.12/x
  3. Step 3: Cross multiply
    69,331.20x = 95,651.40 × 45,471.12
  4. Step 4: Simplify right side
    69,331.20x = 4,349,376,287.57
  5. Step 5: Solve for x
    x = 4,349,376,287.57/69,331.20
  6. Step 6: Final answer
    x = 62,733.32

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1.5x scale

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.