Home / 80,951.22-121,440.87-24,790.01

Finding the Fourth Proportional to 80,951.22, 121,440.87 and 24,790.01

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Solution

The fourth proportional to 80,951.22, 121,440.87 and 24,790.01 is: 37,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,951.22 : 121,440.87 = 24,790.01 : x
  2. Step 2: Convert to fraction form
    80,951.22/121,440.87 = 24,790.01/x
  3. Step 3: Cross multiply
    80,951.22x = 121,440.87 × 24,790.01
  4. Step 4: Simplify right side
    80,951.22x = 3,010,519,774.50
  5. Step 5: Solve for x
    x = 3,010,519,774.50/80,951.22
  6. Step 6: Final answer
    x = 37,189.31

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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.