Home / 87,031.89-130,548.98-27,867.56

Finding the Fourth Proportional to 87,031.89, 130,548.98 and 27,867.56

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Solution

The fourth proportional to 87,031.89, 130,548.98 and 27,867.56 is: 41,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,031.89 : 130,548.98 = 27,867.56 : x
  2. Step 2: Convert to fraction form
    87,031.89/130,548.98 = 27,867.56/x
  3. Step 3: Cross multiply
    87,031.89x = 130,548.98 × 27,867.56
  4. Step 4: Simplify right side
    87,031.89x = 3,638,080,741.01
  5. Step 5: Solve for x
    x = 3,638,080,741.01/87,031.89
  6. Step 6: Final answer
    x = 41,801.70

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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.