Home / 87,119.34-120,222.36-48,875.70

Finding the Fourth Proportional to 87,119.34, 120,222.36 and 48,875.70

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Solution

The fourth proportional to 87,119.34, 120,222.36 and 48,875.70 is: 67,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119.34 : 120,222.36 = 48,875.70 : x
  2. Step 2: Convert to fraction form
    87,119.34/120,222.36 = 48,875.70/x
  3. Step 3: Cross multiply
    87,119.34x = 120,222.36 × 48,875.70
  4. Step 4: Simplify right side
    87,119.34x = 5,875,952,000.65
  5. Step 5: Solve for x
    x = 5,875,952,000.65/87,119.34
  6. Step 6: Final answer
    x = 67,447.16

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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.