Home / 83,516.85-115,252.11-47,705.94

Finding the Fourth Proportional to 83,516.85, 115,252.11 and 47,705.94

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Solution

The fourth proportional to 83,516.85, 115,252.11 and 47,705.94 is: 65,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,516.85 : 115,252.11 = 47,705.94 : x
  2. Step 2: Convert to fraction form
    83,516.85/115,252.11 = 47,705.94/x
  3. Step 3: Cross multiply
    83,516.85x = 115,252.11 × 47,705.94
  4. Step 4: Simplify right side
    83,516.85x = 5,498,210,244.53
  5. Step 5: Solve for x
    x = 5,498,210,244.53/83,516.85
  6. Step 6: Final answer
    x = 65,833.54

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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.