Home / 84,916.62-127,377.77-38,169.63

Finding the Fourth Proportional to 84,916.62, 127,377.77 and 38,169.63

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Solution

The fourth proportional to 84,916.62, 127,377.77 and 38,169.63 is: 57,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,916.62 : 127,377.77 = 38,169.63 : x
  2. Step 2: Convert to fraction form
    84,916.62/127,377.77 = 38,169.63/x
  3. Step 3: Cross multiply
    84,916.62x = 127,377.77 × 38,169.63
  4. Step 4: Simplify right side
    84,916.62x = 4,861,962,160.28
  5. Step 5: Solve for x
    x = 4,861,962,160.28/84,916.62
  6. Step 6: Final answer
    x = 57,255.72

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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.