Home / 87,165.91-130,625.26-36,510.35

Finding the Fourth Proportional to 87,165.91, 130,625.26 and 36,510.35

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Solution

The fourth proportional to 87,165.91, 130,625.26 and 36,510.35 is: 54,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,165.91 : 130,625.26 = 36,510.35 : x
  2. Step 2: Convert to fraction form
    87,165.91/130,625.26 = 36,510.35/x
  3. Step 3: Cross multiply
    87,165.91x = 130,625.26 × 36,510.35
  4. Step 4: Simplify right side
    87,165.91x = 4,769,173,217.04
  5. Step 5: Solve for x
    x = 4,769,173,217.04/87,165.91
  6. Step 6: Final answer
    x = 54,713.75

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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.