Home / 83,916.92-125,787.22-42,276.60

Finding the Fourth Proportional to 83,916.92, 125,787.22 and 42,276.60

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Solution

The fourth proportional to 83,916.92, 125,787.22 and 42,276.60 is: 63,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,916.92 : 125,787.22 = 42,276.60 : x
  2. Step 2: Convert to fraction form
    83,916.92/125,787.22 = 42,276.60/x
  3. Step 3: Cross multiply
    83,916.92x = 125,787.22 × 42,276.60
  4. Step 4: Simplify right side
    83,916.92x = 5,317,855,985.05
  5. Step 5: Solve for x
    x = 5,317,855,985.05/83,916.92
  6. Step 6: Final answer
    x = 63,370.49

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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.