Home / 76,747.62-115,114.14-26,818.50

Finding the Fourth Proportional to 76,747.62, 115,114.14 and 26,818.50

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Solution

The fourth proportional to 76,747.62, 115,114.14 and 26,818.50 is: 40,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,747.62 : 115,114.14 = 26,818.50 : x
  2. Step 2: Convert to fraction form
    76,747.62/115,114.14 = 26,818.50/x
  3. Step 3: Cross multiply
    76,747.62x = 115,114.14 × 26,818.50
  4. Step 4: Simplify right side
    76,747.62x = 3,087,188,563.59
  5. Step 5: Solve for x
    x = 3,087,188,563.59/76,747.62
  6. Step 6: Final answer
    x = 40,225.20

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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.