Home / 83,876.29-115,752.46-48,073.21

Finding the Fourth Proportional to 83,876.29, 115,752.46 and 48,073.21

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Solution

The fourth proportional to 83,876.29, 115,752.46 and 48,073.21 is: 66,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,876.29 : 115,752.46 = 48,073.21 : x
  2. Step 2: Convert to fraction form
    83,876.29/115,752.46 = 48,073.21/x
  3. Step 3: Cross multiply
    83,876.29x = 115,752.46 × 48,073.21
  4. Step 4: Simplify right side
    83,876.29x = 5,564,592,317.60
  5. Step 5: Solve for x
    x = 5,564,592,317.60/83,876.29
  6. Step 6: Final answer
    x = 66,342.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.