Home / 83,211.05-114,803.22-47,375.71

Finding the Fourth Proportional to 83,211.05, 114,803.22 and 47,375.71

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Solution

The fourth proportional to 83,211.05, 114,803.22 and 47,375.71 is: 65,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,211.05 : 114,803.22 = 47,375.71 : x
  2. Step 2: Convert to fraction form
    83,211.05/114,803.22 = 47,375.71/x
  3. Step 3: Cross multiply
    83,211.05x = 114,803.22 × 47,375.71
  4. Step 4: Simplify right side
    83,211.05x = 5,438,883,948.44
  5. Step 5: Solve for x
    x = 5,438,883,948.44/83,211.05
  6. Step 6: Final answer
    x = 65,362.52

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1.5x scale

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.