Home / 84,916.28-127,374.60-22,586.78

Finding the Fourth Proportional to 84,916.28, 127,374.60 and 22,586.78

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Solution

The fourth proportional to 84,916.28, 127,374.60 and 22,586.78 is: 33,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,916.28 : 127,374.60 = 22,586.78 : x
  2. Step 2: Convert to fraction form
    84,916.28/127,374.60 = 22,586.78/x
  3. Step 3: Cross multiply
    84,916.28x = 127,374.60 × 22,586.78
  4. Step 4: Simplify right side
    84,916.28x = 2,876,982,067.79
  5. Step 5: Solve for x
    x = 2,876,982,067.79/84,916.28
  6. Step 6: Final answer
    x = 33,880.22

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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.