Home / 87,071.51-120,160.03-48,839.54

Finding the Fourth Proportional to 87,071.51, 120,160.03 and 48,839.54

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Solution

The fourth proportional to 87,071.51, 120,160.03 and 48,839.54 is: 67,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,071.51 : 120,160.03 = 48,839.54 : x
  2. Step 2: Convert to fraction form
    87,071.51/120,160.03 = 48,839.54/x
  3. Step 3: Cross multiply
    87,071.51x = 120,160.03 × 48,839.54
  4. Step 4: Simplify right side
    87,071.51x = 5,868,560,773.52
  5. Step 5: Solve for x
    x = 5,868,560,773.52/87,071.51
  6. Step 6: Final answer
    x = 67,399.32

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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.