Home / 73,233.90-109,850.85-72,456.30

Finding the Fourth Proportional to 73,233.90, 109,850.85 and 72,456.30

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Solution

The fourth proportional to 73,233.90, 109,850.85 and 72,456.30 is: 108,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,233.90 : 109,850.85 = 72,456.30 : x
  2. Step 2: Convert to fraction form
    73,233.90/109,850.85 = 72,456.30/x
  3. Step 3: Cross multiply
    73,233.90x = 109,850.85 × 72,456.30
  4. Step 4: Simplify right side
    73,233.90x = 7,959,386,142.86
  5. Step 5: Solve for x
    x = 7,959,386,142.86/73,233.90
  6. Step 6: Final answer
    x = 108,684.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.