Home / 83,750.29-115,593.63-51,512.61

Finding the Fourth Proportional to 83,750.29, 115,593.63 and 51,512.61

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Solution

The fourth proportional to 83,750.29, 115,593.63 and 51,512.61 is: 71,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,750.29 : 115,593.63 = 51,512.61 : x
  2. Step 2: Convert to fraction form
    83,750.29/115,593.63 = 51,512.61/x
  3. Step 3: Cross multiply
    83,750.29x = 115,593.63 × 51,512.61
  4. Step 4: Simplify right side
    83,750.29x = 5,954,529,612.10
  5. Step 5: Solve for x
    x = 5,954,529,612.10/83,750.29
  6. Step 6: Final answer
    x = 71,098.62

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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.