Home / 87,576.42-131,383.08-28,407.48

Finding the Fourth Proportional to 87,576.42, 131,383.08 and 28,407.48

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Solution

The fourth proportional to 87,576.42, 131,383.08 and 28,407.48 is: 42,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,576.42 : 131,383.08 = 28,407.48 : x
  2. Step 2: Convert to fraction form
    87,576.42/131,383.08 = 28,407.48/x
  3. Step 3: Cross multiply
    87,576.42x = 131,383.08 × 28,407.48
  4. Step 4: Simplify right side
    87,576.42x = 3,732,262,217.44
  5. Step 5: Solve for x
    x = 3,732,262,217.44/87,576.42
  6. Step 6: Final answer
    x = 42,617.20

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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.