Home / 76,286.61-114,350.43-25,648.04

Finding the Fourth Proportional to 76,286.61, 114,350.43 and 25,648.04

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Solution

The fourth proportional to 76,286.61, 114,350.43 and 25,648.04 is: 38,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,286.61 : 114,350.43 = 25,648.04 : x
  2. Step 2: Convert to fraction form
    76,286.61/114,350.43 = 25,648.04/x
  3. Step 3: Cross multiply
    76,286.61x = 114,350.43 × 25,648.04
  4. Step 4: Simplify right side
    76,286.61x = 2,932,864,784.71
  5. Step 5: Solve for x
    x = 2,932,864,784.71/76,286.61
  6. Step 6: Final answer
    x = 38,445.34

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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.