Home / 83,423.50-115,123.84-45,182.18

Finding the Fourth Proportional to 83,423.50, 115,123.84 and 45,182.18

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Solution

The fourth proportional to 83,423.50, 115,123.84 and 45,182.18 is: 62,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,423.50 : 115,123.84 = 45,182.18 : x
  2. Step 2: Convert to fraction form
    83,423.50/115,123.84 = 45,182.18/x
  3. Step 3: Cross multiply
    83,423.50x = 115,123.84 × 45,182.18
  4. Step 4: Simplify right side
    83,423.50x = 5,201,546,236.03
  5. Step 5: Solve for x
    x = 5,201,546,236.03/83,423.50
  6. Step 6: Final answer
    x = 62,351.09

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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.