Home / 76,719.52-115,106.88-26,806.96

Finding the Fourth Proportional to 76,719.52, 115,106.88 and 26,806.96

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Solution

The fourth proportional to 76,719.52, 115,106.88 and 26,806.96 is: 40,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,719.52 : 115,106.88 = 26,806.96 : x
  2. Step 2: Convert to fraction form
    76,719.52/115,106.88 = 26,806.96/x
  3. Step 3: Cross multiply
    76,719.52x = 115,106.88 × 26,806.96
  4. Step 4: Simplify right side
    76,719.52x = 3,085,665,527.88
  5. Step 5: Solve for x
    x = 3,085,665,527.88/76,719.52
  6. Step 6: Final answer
    x = 40,220.08

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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.