Home / 87,277.20-130,926.05-31,125.29

Finding the Fourth Proportional to 87,277.20, 130,926.05 and 31,125.29

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Solution

The fourth proportional to 87,277.20, 130,926.05 and 31,125.29 is: 46,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,277.20 : 130,926.05 = 31,125.29 : x
  2. Step 2: Convert to fraction form
    87,277.20/130,926.05 = 31,125.29/x
  3. Step 3: Cross multiply
    87,277.20x = 130,926.05 × 31,125.29
  4. Step 4: Simplify right side
    87,277.20x = 4,075,111,274.80
  5. Step 5: Solve for x
    x = 4,075,111,274.80/87,277.20
  6. Step 6: Final answer
    x = 46,691.59

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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.