Home / 76,098.60-114,122.70-26,170.20

Finding the Fourth Proportional to 76,098.60, 114,122.70 and 26,170.20

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Solution

The fourth proportional to 76,098.60, 114,122.70 and 26,170.20 is: 39,246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,098.60 : 114,122.70 = 26,170.20 : x
  2. Step 2: Convert to fraction form
    76,098.60/114,122.70 = 26,170.20/x
  3. Step 3: Cross multiply
    76,098.60x = 114,122.70 × 26,170.20
  4. Step 4: Simplify right side
    76,098.60x = 2,986,613,883.54
  5. Step 5: Solve for x
    x = 2,986,613,883.54/76,098.60
  6. Step 6: Final answer
    x = 39,246.63

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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.