Home / 87,576.57-131,364.81-28,412.24

Finding the Fourth Proportional to 87,576.57, 131,364.81 and 28,412.24

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Solution

The fourth proportional to 87,576.57, 131,364.81 and 28,412.24 is: 42,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,576.57 : 131,364.81 = 28,412.24 : x
  2. Step 2: Convert to fraction form
    87,576.57/131,364.81 = 28,412.24/x
  3. Step 3: Cross multiply
    87,576.57x = 131,364.81 × 28,412.24
  4. Step 4: Simplify right side
    87,576.57x = 3,732,367,852.45
  5. Step 5: Solve for x
    x = 3,732,367,852.45/87,576.57
  6. Step 6: Final answer
    x = 42,618.34

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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.