Home / 83,529.83-125,401.70-71,758.91

Finding the Fourth Proportional to 83,529.83, 125,401.70 and 71,758.91

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Solution

The fourth proportional to 83,529.83, 125,401.70 and 71,758.91 is: 107,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,529.83 : 125,401.70 = 71,758.91 : x
  2. Step 2: Convert to fraction form
    83,529.83/125,401.70 = 71,758.91/x
  3. Step 3: Cross multiply
    83,529.83x = 125,401.70 × 71,758.91
  4. Step 4: Simplify right side
    83,529.83x = 8,998,688,856.54
  5. Step 5: Solve for x
    x = 8,998,688,856.54/83,529.83
  6. Step 6: Final answer
    x = 107,730.25

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1.5x scale

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.