Home / 75,319.62-112,982.37-22,729.11

Finding the Fourth Proportional to 75,319.62, 112,982.37 and 22,729.11

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Solution

The fourth proportional to 75,319.62, 112,982.37 and 22,729.11 is: 34,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,319.62 : 112,982.37 = 22,729.11 : x
  2. Step 2: Convert to fraction form
    75,319.62/112,982.37 = 22,729.11/x
  3. Step 3: Cross multiply
    75,319.62x = 112,982.37 × 22,729.11
  4. Step 4: Simplify right side
    75,319.62x = 2,567,988,715.79
  5. Step 5: Solve for x
    x = 2,567,988,715.79/75,319.62
  6. Step 6: Final answer
    x = 34,094.55

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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.