Home / 80,538.45-111,225.76-60,363.38

Finding the Fourth Proportional to 80,538.45, 111,225.76 and 60,363.38

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Solution

The fourth proportional to 80,538.45, 111,225.76 and 60,363.38 is: 83,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,538.45 : 111,225.76 = 60,363.38 : x
  2. Step 2: Convert to fraction form
    80,538.45/111,225.76 = 60,363.38/x
  3. Step 3: Cross multiply
    80,538.45x = 111,225.76 × 60,363.38
  4. Step 4: Simplify right side
    80,538.45x = 6,713,962,318.18
  5. Step 5: Solve for x
    x = 6,713,962,318.18/80,538.45
  6. Step 6: Final answer
    x = 83,363.44

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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.