Home / 75,388.20-104,049.12-56,363.44

Finding the Fourth Proportional to 75,388.20, 104,049.12 and 56,363.44

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Solution

The fourth proportional to 75,388.20, 104,049.12 and 56,363.44 is: 77,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,388.20 : 104,049.12 = 56,363.44 : x
  2. Step 2: Convert to fraction form
    75,388.20/104,049.12 = 56,363.44/x
  3. Step 3: Cross multiply
    75,388.20x = 104,049.12 × 56,363.44
  4. Step 4: Simplify right side
    75,388.20x = 5,864,566,332.17
  5. Step 5: Solve for x
    x = 5,864,566,332.17/75,388.20
  6. Step 6: Final answer
    x = 77,791.57

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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.