Home / 76,351.19-114,432.53-55,363.28

Finding the Fourth Proportional to 76,351.19, 114,432.53 and 55,363.28

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Solution

The fourth proportional to 76,351.19, 114,432.53 and 55,363.28 is: 82,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,351.19 : 114,432.53 = 55,363.28 : x
  2. Step 2: Convert to fraction form
    76,351.19/114,432.53 = 55,363.28/x
  3. Step 3: Cross multiply
    76,351.19x = 114,432.53 × 55,363.28
  4. Step 4: Simplify right side
    76,351.19x = 6,335,359,350.52
  5. Step 5: Solve for x
    x = 6,335,359,350.52/76,351.19
  6. Step 6: Final answer
    x = 82,976.57

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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.