Home / 71,131.68-98,047.72-48,154.26

Finding the Fourth Proportional to 71,131.68, 98,047.72 and 48,154.26

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Solution

The fourth proportional to 71,131.68, 98,047.72 and 48,154.26 is: 66,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,131.68 : 98,047.72 = 48,154.26 : x
  2. Step 2: Convert to fraction form
    71,131.68/98,047.72 = 48,154.26/x
  3. Step 3: Cross multiply
    71,131.68x = 98,047.72 × 48,154.26
  4. Step 4: Simplify right side
    71,131.68x = 4,721,415,401.29
  5. Step 5: Solve for x
    x = 4,721,415,401.29/71,131.68
  6. Step 6: Final answer
    x = 66,375.70

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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.