Home / 85,327.20-127,886.99-60,374.43

Finding the Fourth Proportional to 85,327.20, 127,886.99 and 60,374.43

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Solution

The fourth proportional to 85,327.20, 127,886.99 and 60,374.43 is: 90,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,327.20 : 127,886.99 = 60,374.43 : x
  2. Step 2: Convert to fraction form
    85,327.20/127,886.99 = 60,374.43/x
  3. Step 3: Cross multiply
    85,327.20x = 127,886.99 × 60,374.43
  4. Step 4: Simplify right side
    85,327.20x = 7,721,103,823.79
  5. Step 5: Solve for x
    x = 7,721,103,823.79/85,327.20
  6. Step 6: Final answer
    x = 90,488.19

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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.