Home / 67,711.24-101,446.98-45,543.16

Finding the Fourth Proportional to 67,711.24, 101,446.98 and 45,543.16

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Solution

The fourth proportional to 67,711.24, 101,446.98 and 45,543.16 is: 68,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,711.24 : 101,446.98 = 45,543.16 : x
  2. Step 2: Convert to fraction form
    67,711.24/101,446.98 = 45,543.16/x
  3. Step 3: Cross multiply
    67,711.24x = 101,446.98 × 45,543.16
  4. Step 4: Simplify right side
    67,711.24x = 4,620,216,041.66
  5. Step 5: Solve for x
    x = 4,620,216,041.66/67,711.24
  6. Step 6: Final answer
    x = 68,234.11

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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.