Home / 66,082.25-98,998.52-51,218.39

Finding the Fourth Proportional to 66,082.25, 98,998.52 and 51,218.39

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Solution

The fourth proportional to 66,082.25, 98,998.52 and 51,218.39 is: 76,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082.25 : 98,998.52 = 51,218.39 : x
  2. Step 2: Convert to fraction form
    66,082.25/98,998.52 = 51,218.39/x
  3. Step 3: Cross multiply
    66,082.25x = 98,998.52 × 51,218.39
  4. Step 4: Simplify right side
    66,082.25x = 5,070,544,806.78
  5. Step 5: Solve for x
    x = 5,070,544,806.78/66,082.25
  6. Step 6: Final answer
    x = 76,730.82

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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.