Home / 87,616.42-120,910.70-47,330.18

Finding the Fourth Proportional to 87,616.42, 120,910.70 and 47,330.18

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Solution

The fourth proportional to 87,616.42, 120,910.70 and 47,330.18 is: 65,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,616.42 : 120,910.70 = 47,330.18 : x
  2. Step 2: Convert to fraction form
    87,616.42/120,910.70 = 47,330.18/x
  3. Step 3: Cross multiply
    87,616.42x = 120,910.70 × 47,330.18
  4. Step 4: Simplify right side
    87,616.42x = 5,722,725,194.93
  5. Step 5: Solve for x
    x = 5,722,725,194.93/87,616.42
  6. Step 6: Final answer
    x = 65,315.67

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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.