Home / 87,219-130,829.76-24,889.50

Finding the Fourth Proportional to 87,219, 130,829.76 and 24,889.50

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Solution

The fourth proportional to 87,219, 130,829.76 and 24,889.50 is: 37,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,219 : 130,829.76 = 24,889.50 : x
  2. Step 2: Convert to fraction form
    87,219/130,829.76 = 24,889.50/x
  3. Step 3: Cross multiply
    87,219x = 130,829.76 × 24,889.50
  4. Step 4: Simplify right side
    87,219x = 3,256,287,311.52
  5. Step 5: Solve for x
    x = 3,256,287,311.52/87,219
  6. Step 6: Final answer
    x = 37,334.61

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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.