Home / 80,899.86-121,323.38-26,850.02

Finding the Fourth Proportional to 80,899.86, 121,323.38 and 26,850.02

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Solution

The fourth proportional to 80,899.86, 121,323.38 and 26,850.02 is: 40,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,899.86 : 121,323.38 = 26,850.02 : x
  2. Step 2: Convert to fraction form
    80,899.86/121,323.38 = 26,850.02/x
  3. Step 3: Cross multiply
    80,899.86x = 121,323.38 × 26,850.02
  4. Step 4: Simplify right side
    80,899.86x = 3,257,535,179.47
  5. Step 5: Solve for x
    x = 3,257,535,179.47/80,899.86
  6. Step 6: Final answer
    x = 40,266.26

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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.