Home / 87,480.51-131,241.60-28,316.18

Finding the Fourth Proportional to 87,480.51, 131,241.60 and 28,316.18

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Solution

The fourth proportional to 87,480.51, 131,241.60 and 28,316.18 is: 42,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480.51 : 131,241.60 = 28,316.18 : x
  2. Step 2: Convert to fraction form
    87,480.51/131,241.60 = 28,316.18/x
  3. Step 3: Cross multiply
    87,480.51x = 131,241.60 × 28,316.18
  4. Step 4: Simplify right side
    87,480.51x = 3,716,260,498.85
  5. Step 5: Solve for x
    x = 3,716,260,498.85/87,480.51
  6. Step 6: Final answer
    x = 42,481.01

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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.