Home / 83,631.30-125,446.98-36,916.98

Finding the Fourth Proportional to 83,631.30, 125,446.98 and 36,916.98

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Solution

The fourth proportional to 83,631.30, 125,446.98 and 36,916.98 is: 55,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,631.30 : 125,446.98 = 36,916.98 : x
  2. Step 2: Convert to fraction form
    83,631.30/125,446.98 = 36,916.98/x
  3. Step 3: Cross multiply
    83,631.30x = 125,446.98 × 36,916.98
  4. Step 4: Simplify right side
    83,631.30x = 4,631,123,651.72
  5. Step 5: Solve for x
    x = 4,631,123,651.72/83,631.30
  6. Step 6: Final answer
    x = 55,375.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.