Home / 69,711.72-96,202.27-39,499.08

Finding the Fourth Proportional to 69,711.72, 96,202.27 and 39,499.08

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Solution

The fourth proportional to 69,711.72, 96,202.27 and 39,499.08 is: 54,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.72 : 96,202.27 = 39,499.08 : x
  2. Step 2: Convert to fraction form
    69,711.72/96,202.27 = 39,499.08/x
  3. Step 3: Cross multiply
    69,711.72x = 96,202.27 × 39,499.08
  4. Step 4: Simplify right side
    69,711.72x = 3,799,901,158.91
  5. Step 5: Solve for x
    x = 3,799,901,158.91/69,711.72
  6. Step 6: Final answer
    x = 54,508.79

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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.