Home / 87,315.60-130,969.76-24,986.10

Finding the Fourth Proportional to 87,315.60, 130,969.76 and 24,986.10

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Solution

The fourth proportional to 87,315.60, 130,969.76 and 24,986.10 is: 37,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,315.60 : 130,969.76 = 24,986.10 : x
  2. Step 2: Convert to fraction form
    87,315.60/130,969.76 = 24,986.10/x
  3. Step 3: Cross multiply
    87,315.60x = 130,969.76 × 24,986.10
  4. Step 4: Simplify right side
    87,315.60x = 3,272,423,886.54
  5. Step 5: Solve for x
    x = 3,272,423,886.54/87,315.60
  6. Step 6: Final answer
    x = 37,478.11

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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.