Home / 76,956.57-115,610.04-55,674.95

Finding the Fourth Proportional to 76,956.57, 115,610.04 and 55,674.95

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Solution

The fourth proportional to 76,956.57, 115,610.04 and 55,674.95 is: 83,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,956.57 : 115,610.04 = 55,674.95 : x
  2. Step 2: Convert to fraction form
    76,956.57/115,610.04 = 55,674.95/x
  3. Step 3: Cross multiply
    76,956.57x = 115,610.04 × 55,674.95
  4. Step 4: Simplify right side
    76,956.57x = 6,436,582,618.45
  5. Step 5: Solve for x
    x = 6,436,582,618.45/76,956.57
  6. Step 6: Final answer
    x = 83,639.16

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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.