Home / 71,016.17-106,422.75-52,148.18

Finding the Fourth Proportional to 71,016.17, 106,422.75 and 52,148.18

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Solution

The fourth proportional to 71,016.17, 106,422.75 and 52,148.18 is: 78,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016.17 : 106,422.75 = 52,148.18 : x
  2. Step 2: Convert to fraction form
    71,016.17/106,422.75 = 52,148.18/x
  3. Step 3: Cross multiply
    71,016.17x = 106,422.75 × 52,148.18
  4. Step 4: Simplify right side
    71,016.17x = 5,549,752,989.15
  5. Step 5: Solve for x
    x = 5,549,752,989.15/71,016.17
  6. Step 6: Final answer
    x = 78,147.74

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1.5x scale

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.