Home / 87,022.89-120,091.78-49,297.14

Finding the Fourth Proportional to 87,022.89, 120,091.78 and 49,297.14

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Solution

The fourth proportional to 87,022.89, 120,091.78 and 49,297.14 is: 68,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022.89 : 120,091.78 = 49,297.14 : x
  2. Step 2: Convert to fraction form
    87,022.89/120,091.78 = 49,297.14/x
  3. Step 3: Cross multiply
    87,022.89x = 120,091.78 × 49,297.14
  4. Step 4: Simplify right side
    87,022.89x = 5,920,181,353.13
  5. Step 5: Solve for x
    x = 5,920,181,353.13/87,022.89
  6. Step 6: Final answer
    x = 68,030.16

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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.