Home / 81,264.06-121,925.25-50,062.86

Finding the Fourth Proportional to 81,264.06, 121,925.25 and 50,062.86

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Solution

The fourth proportional to 81,264.06, 121,925.25 and 50,062.86 is: 75,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,264.06 : 121,925.25 = 50,062.86 : x
  2. Step 2: Convert to fraction form
    81,264.06/121,925.25 = 50,062.86/x
  3. Step 3: Cross multiply
    81,264.06x = 121,925.25 × 50,062.86
  4. Step 4: Simplify right side
    81,264.06x = 6,103,926,721.22
  5. Step 5: Solve for x
    x = 6,103,926,721.22/81,264.06
  6. Step 6: Final answer
    x = 75,112.25

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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.