Home / 54,591.66-81,887.49-30,123.18

Finding the Fourth Proportional to 54,591.66, 81,887.49 and 30,123.18

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Solution

The fourth proportional to 54,591.66, 81,887.49 and 30,123.18 is: 45,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.66 : 81,887.49 = 30,123.18 : x
  2. Step 2: Convert to fraction form
    54,591.66/81,887.49 = 30,123.18/x
  3. Step 3: Cross multiply
    54,591.66x = 81,887.49 × 30,123.18
  4. Step 4: Simplify right side
    54,591.66x = 2,466,711,601.02
  5. Step 5: Solve for x
    x = 2,466,711,601.02/54,591.66
  6. Step 6: Final answer
    x = 45,184.77

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Similar ratio
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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.