Home / 85,248.23-127,858.56-40,269.48

Finding the Fourth Proportional to 85,248.23, 127,858.56 and 40,269.48

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Solution

The fourth proportional to 85,248.23, 127,858.56 and 40,269.48 is: 60,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248.23 : 127,858.56 = 40,269.48 : x
  2. Step 2: Convert to fraction form
    85,248.23/127,858.56 = 40,269.48/x
  3. Step 3: Cross multiply
    85,248.23x = 127,858.56 × 40,269.48
  4. Step 4: Simplify right side
    85,248.23x = 5,148,797,724.75
  5. Step 5: Solve for x
    x = 5,148,797,724.75/85,248.23
  6. Step 6: Final answer
    x = 60,397.71

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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.