Home / 83,428.08-125,016.48-50,111.52

Finding the Fourth Proportional to 83,428.08, 125,016.48 and 50,111.52

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Solution

The fourth proportional to 83,428.08, 125,016.48 and 50,111.52 is: 75,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,428.08 : 125,016.48 = 50,111.52 : x
  2. Step 2: Convert to fraction form
    83,428.08/125,016.48 = 50,111.52/x
  3. Step 3: Cross multiply
    83,428.08x = 125,016.48 × 50,111.52
  4. Step 4: Simplify right side
    83,428.08x = 6,264,765,837.85
  5. Step 5: Solve for x
    x = 6,264,765,837.85/83,428.08
  6. Step 6: Final answer
    x = 75,091.81

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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.