Home / 83,211.14-114,818.10-47,401.86

Finding the Fourth Proportional to 83,211.14, 114,818.10 and 47,401.86

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Solution

The fourth proportional to 83,211.14, 114,818.10 and 47,401.86 is: 65,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,211.14 : 114,818.10 = 47,401.86 : x
  2. Step 2: Convert to fraction form
    83,211.14/114,818.10 = 47,401.86/x
  3. Step 3: Cross multiply
    83,211.14x = 114,818.10 × 47,401.86
  4. Step 4: Simplify right side
    83,211.14x = 5,442,591,501.67
  5. Step 5: Solve for x
    x = 5,442,591,501.67/83,211.14
  6. Step 6: Final answer
    x = 65,407.01

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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.