Home / 87,329.03-120,479.06-55,053.02

Finding the Fourth Proportional to 87,329.03, 120,479.06 and 55,053.02

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Solution

The fourth proportional to 87,329.03, 120,479.06 and 55,053.02 is: 75,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,329.03 : 120,479.06 = 55,053.02 : x
  2. Step 2: Convert to fraction form
    87,329.03/120,479.06 = 55,053.02/x
  3. Step 3: Cross multiply
    87,329.03x = 120,479.06 × 55,053.02
  4. Step 4: Simplify right side
    87,329.03x = 6,632,736,538.59
  5. Step 5: Solve for x
    x = 6,632,736,538.59/87,329.03
  6. Step 6: Final answer
    x = 75,951.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.