Home / 83,156.19-114,755.66-47,346.22

Finding the Fourth Proportional to 83,156.19, 114,755.66 and 47,346.22

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Solution

The fourth proportional to 83,156.19, 114,755.66 and 47,346.22 is: 65,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,156.19 : 114,755.66 = 47,346.22 : x
  2. Step 2: Convert to fraction form
    83,156.19/114,755.66 = 47,346.22/x
  3. Step 3: Cross multiply
    83,156.19x = 114,755.66 × 47,346.22
  4. Step 4: Simplify right side
    83,156.19x = 5,433,246,942.03
  5. Step 5: Solve for x
    x = 5,433,246,942.03/83,156.19
  6. Step 6: Final answer
    x = 65,337.85

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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.