Home / 82,902.57-124,378.07-26,741.43

Finding the Fourth Proportional to 82,902.57, 124,378.07 and 26,741.43

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Solution

The fourth proportional to 82,902.57, 124,378.07 and 26,741.43 is: 40,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,902.57 : 124,378.07 = 26,741.43 : x
  2. Step 2: Convert to fraction form
    82,902.57/124,378.07 = 26,741.43/x
  3. Step 3: Cross multiply
    82,902.57x = 124,378.07 × 26,741.43
  4. Step 4: Simplify right side
    82,902.57x = 3,326,047,318.73
  5. Step 5: Solve for x
    x = 3,326,047,318.73/82,902.57
  6. Step 6: Final answer
    x = 40,119.96

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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.