Home / 54,587.28-81,925.05-28,299.54

Finding the Fourth Proportional to 54,587.28, 81,925.05 and 28,299.54

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Solution

The fourth proportional to 54,587.28, 81,925.05 and 28,299.54 is: 42,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,587.28 : 81,925.05 = 28,299.54 : x
  2. Step 2: Convert to fraction form
    54,587.28/81,925.05 = 28,299.54/x
  3. Step 3: Cross multiply
    54,587.28x = 81,925.05 × 28,299.54
  4. Step 4: Simplify right side
    54,587.28x = 2,318,441,229.48
  5. Step 5: Solve for x
    x = 2,318,441,229.48/54,587.28
  6. Step 6: Final answer
    x = 42,472.19

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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.