Home / 56,132.68-77,355.92-40,189.44

Finding the Fourth Proportional to 56,132.68, 77,355.92 and 40,189.44

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Solution

The fourth proportional to 56,132.68, 77,355.92 and 40,189.44 is: 55,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,132.68 : 77,355.92 = 40,189.44 : x
  2. Step 2: Convert to fraction form
    56,132.68/77,355.92 = 40,189.44/x
  3. Step 3: Cross multiply
    56,132.68x = 77,355.92 × 40,189.44
  4. Step 4: Simplify right side
    56,132.68x = 3,108,891,105.48
  5. Step 5: Solve for x
    x = 3,108,891,105.48/56,132.68
  6. Step 6: Final answer
    x = 55,384.69

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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.