Home / 75,691.44-113,452.29-30,702.34

Finding the Fourth Proportional to 75,691.44, 113,452.29 and 30,702.34

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Solution

The fourth proportional to 75,691.44, 113,452.29 and 30,702.34 is: 46,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,691.44 : 113,452.29 = 30,702.34 : x
  2. Step 2: Convert to fraction form
    75,691.44/113,452.29 = 30,702.34/x
  3. Step 3: Cross multiply
    75,691.44x = 113,452.29 × 30,702.34
  4. Step 4: Simplify right side
    75,691.44x = 3,483,250,781.36
  5. Step 5: Solve for x
    x = 3,483,250,781.36/75,691.44
  6. Step 6: Final answer
    x = 46,019.08

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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.