Home / 89,927.20-124,149.24-54,126

Finding the Fourth Proportional to 89,927.20, 124,149.24 and 54,126

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Solution

The fourth proportional to 89,927.20, 124,149.24 and 54,126 is: 74,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,927.20 : 124,149.24 = 54,126 : x
  2. Step 2: Convert to fraction form
    89,927.20/124,149.24 = 54,126/x
  3. Step 3: Cross multiply
    89,927.20x = 124,149.24 × 54,126
  4. Step 4: Simplify right side
    89,927.20x = 6,719,701,764.24
  5. Step 5: Solve for x
    x = 6,719,701,764.24/89,927.20
  6. Step 6: Final answer
    x = 74,723.80

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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.