Home / 69,480.10-95,882.13-39,275.20

Finding the Fourth Proportional to 69,480.10, 95,882.13 and 39,275.20

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Solution

The fourth proportional to 69,480.10, 95,882.13 and 39,275.20 is: 54,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,480.10 : 95,882.13 = 39,275.20 : x
  2. Step 2: Convert to fraction form
    69,480.10/95,882.13 = 39,275.20/x
  3. Step 3: Cross multiply
    69,480.10x = 95,882.13 × 39,275.20
  4. Step 4: Simplify right side
    69,480.10x = 3,765,789,832.18
  5. Step 5: Solve for x
    x = 3,765,789,832.18/69,480.10
  6. Step 6: Final answer
    x = 54,199.55

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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.