Home / 71,229.66-98,250.75-56,097.78

Finding the Fourth Proportional to 71,229.66, 98,250.75 and 56,097.78

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Solution

The fourth proportional to 71,229.66, 98,250.75 and 56,097.78 is: 77,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,229.66 : 98,250.75 = 56,097.78 : x
  2. Step 2: Convert to fraction form
    71,229.66/98,250.75 = 56,097.78/x
  3. Step 3: Cross multiply
    71,229.66x = 98,250.75 × 56,097.78
  4. Step 4: Simplify right side
    71,229.66x = 5,511,648,958.34
  5. Step 5: Solve for x
    x = 5,511,648,958.34/71,229.66
  6. Step 6: Final answer
    x = 77,378.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.