Home / 75,614.08-104,351.52-42,080.80

Finding the Fourth Proportional to 75,614.08, 104,351.52 and 42,080.80

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Solution

The fourth proportional to 75,614.08, 104,351.52 and 42,080.80 is: 58,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,614.08 : 104,351.52 = 42,080.80 : x
  2. Step 2: Convert to fraction form
    75,614.08/104,351.52 = 42,080.80/x
  3. Step 3: Cross multiply
    75,614.08x = 104,351.52 × 42,080.80
  4. Step 4: Simplify right side
    75,614.08x = 4,391,195,442.82
  5. Step 5: Solve for x
    x = 4,391,195,442.82/75,614.08
  6. Step 6: Final answer
    x = 58,073.78

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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.