Home / 48,499.11-72,621.90-45,542.97

Finding the Fourth Proportional to 48,499.11, 72,621.90 and 45,542.97

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Solution

The fourth proportional to 48,499.11, 72,621.90 and 45,542.97 is: 68,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499.11 : 72,621.90 = 45,542.97 : x
  2. Step 2: Convert to fraction form
    48,499.11/72,621.90 = 45,542.97/x
  3. Step 3: Cross multiply
    48,499.11x = 72,621.90 × 45,542.97
  4. Step 4: Simplify right side
    48,499.11x = 3,307,417,013.04
  5. Step 5: Solve for x
    x = 3,307,417,013.04/48,499.11
  6. Step 6: Final answer
    x = 68,195.42

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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.