Home / 83,211.08-114,803.22-47,375.72

Finding the Fourth Proportional to 83,211.08, 114,803.22 and 47,375.72

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Solution

The fourth proportional to 83,211.08, 114,803.22 and 47,375.72 is: 65,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,211.08 : 114,803.22 = 47,375.72 : x
  2. Step 2: Convert to fraction form
    83,211.08/114,803.22 = 47,375.72/x
  3. Step 3: Cross multiply
    83,211.08x = 114,803.22 × 47,375.72
  4. Step 4: Simplify right side
    83,211.08x = 5,438,884,631.80
  5. Step 5: Solve for x
    x = 5,438,884,631.80/83,211.08
  6. Step 6: Final answer
    x = 65,362.51

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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.