Home / 87,051.76-130,556.52-40,259.92

Finding the Fourth Proportional to 87,051.76, 130,556.52 and 40,259.92

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Solution

The fourth proportional to 87,051.76, 130,556.52 and 40,259.92 is: 60,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,051.76 : 130,556.52 = 40,259.92 : x
  2. Step 2: Convert to fraction form
    87,051.76/130,556.52 = 40,259.92/x
  3. Step 3: Cross multiply
    87,051.76x = 130,556.52 × 40,259.92
  4. Step 4: Simplify right side
    87,051.76x = 5,256,195,050.68
  5. Step 5: Solve for x
    x = 5,256,195,050.68/87,051.76
  6. Step 6: Final answer
    x = 60,380.11

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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.