Home / 75,318.32-113,035.80-40,287.44

Finding the Fourth Proportional to 75,318.32, 113,035.80 and 40,287.44

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Solution

The fourth proportional to 75,318.32, 113,035.80 and 40,287.44 is: 60,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,318.32 : 113,035.80 = 40,287.44 : x
  2. Step 2: Convert to fraction form
    75,318.32/113,035.80 = 40,287.44/x
  3. Step 3: Cross multiply
    75,318.32x = 113,035.80 × 40,287.44
  4. Step 4: Simplify right side
    75,318.32x = 4,553,923,010.35
  5. Step 5: Solve for x
    x = 4,553,923,010.35/75,318.32
  6. Step 6: Final answer
    x = 60,462.36

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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.