Home / 83,697.28-115,504.24-45,972.32

Finding the Fourth Proportional to 83,697.28, 115,504.24 and 45,972.32

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Solution

The fourth proportional to 83,697.28, 115,504.24 and 45,972.32 is: 63,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,697.28 : 115,504.24 = 45,972.32 : x
  2. Step 2: Convert to fraction form
    83,697.28/115,504.24 = 45,972.32/x
  3. Step 3: Cross multiply
    83,697.28x = 115,504.24 × 45,972.32
  4. Step 4: Simplify right side
    83,697.28x = 5,309,997,882.64
  5. Step 5: Solve for x
    x = 5,309,997,882.64/83,697.28
  6. Step 6: Final answer
    x = 63,442.90

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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.