Home / 73,499.40-110,135.70-54,691.20

Finding the Fourth Proportional to 73,499.40, 110,135.70 and 54,691.20

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Solution

The fourth proportional to 73,499.40, 110,135.70 and 54,691.20 is: 81,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,499.40 : 110,135.70 = 54,691.20 : x
  2. Step 2: Convert to fraction form
    73,499.40/110,135.70 = 54,691.20/x
  3. Step 3: Cross multiply
    73,499.40x = 110,135.70 × 54,691.20
  4. Step 4: Simplify right side
    73,499.40x = 6,023,453,595.84
  5. Step 5: Solve for x
    x = 6,023,453,595.84/73,499.40
  6. Step 6: Final answer
    x = 81,952.42

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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.