Home / 87,089.50-130,641-27,110.44

Finding the Fourth Proportional to 87,089.50, 130,641 and 27,110.44

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Solution

The fourth proportional to 87,089.50, 130,641 and 27,110.44 is: 40,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,089.50 : 130,641 = 27,110.44 : x
  2. Step 2: Convert to fraction form
    87,089.50/130,641 = 27,110.44/x
  3. Step 3: Cross multiply
    87,089.50x = 130,641 × 27,110.44
  4. Step 4: Simplify right side
    87,089.50x = 3,541,734,992.04
  5. Step 5: Solve for x
    x = 3,541,734,992.04/87,089.50
  6. Step 6: Final answer
    x = 40,667.76

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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.