Home / 76,868.60-115,347.36-32,492.48

Finding the Fourth Proportional to 76,868.60, 115,347.36 and 32,492.48

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Solution

The fourth proportional to 76,868.60, 115,347.36 and 32,492.48 is: 48,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,868.60 : 115,347.36 = 32,492.48 : x
  2. Step 2: Convert to fraction form
    76,868.60/115,347.36 = 32,492.48/x
  3. Step 3: Cross multiply
    76,868.60x = 115,347.36 × 32,492.48
  4. Step 4: Simplify right side
    76,868.60x = 3,747,921,787.85
  5. Step 5: Solve for x
    x = 3,747,921,787.85/76,868.60
  6. Step 6: Final answer
    x = 48,757.51

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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.