Home / 96,935.13-145,402.72-30,375.25

Finding the Fourth Proportional to 96,935.13, 145,402.72 and 30,375.25

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Solution

The fourth proportional to 96,935.13, 145,402.72 and 30,375.25 is: 45,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,935.13 : 145,402.72 = 30,375.25 : x
  2. Step 2: Convert to fraction form
    96,935.13/145,402.72 = 30,375.25/x
  3. Step 3: Cross multiply
    96,935.13x = 145,402.72 × 30,375.25
  4. Step 4: Simplify right side
    96,935.13x = 4,416,643,531.24
  5. Step 5: Solve for x
    x = 4,416,643,531.24/96,935.13
  6. Step 6: Final answer
    x = 45,562.88

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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.