Home / 76,863.13-115,298.15-23,551.20

Finding the Fourth Proportional to 76,863.13, 115,298.15 and 23,551.20

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Solution

The fourth proportional to 76,863.13, 115,298.15 and 23,551.20 is: 35,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,863.13 : 115,298.15 = 23,551.20 : x
  2. Step 2: Convert to fraction form
    76,863.13/115,298.15 = 23,551.20/x
  3. Step 3: Cross multiply
    76,863.13x = 115,298.15 × 23,551.20
  4. Step 4: Simplify right side
    76,863.13x = 2,715,409,672.52
  5. Step 5: Solve for x
    x = 2,715,409,672.52/76,863.13
  6. Step 6: Final answer
    x = 35,327.86

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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.