Home / 80,575.50-111,204.30-48,744.24

Finding the Fourth Proportional to 80,575.50, 111,204.30 and 48,744.24

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Solution

The fourth proportional to 80,575.50, 111,204.30 and 48,744.24 is: 67,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,575.50 : 111,204.30 = 48,744.24 : x
  2. Step 2: Convert to fraction form
    80,575.50/111,204.30 = 48,744.24/x
  3. Step 3: Cross multiply
    80,575.50x = 111,204.30 × 48,744.24
  4. Step 4: Simplify right side
    80,575.50x = 5,420,569,088.23
  5. Step 5: Solve for x
    x = 5,420,569,088.23/80,575.50
  6. Step 6: Final answer
    x = 67,273.17

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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.