Home / 76,824.10-115,236.16-24,237.69

Finding the Fourth Proportional to 76,824.10, 115,236.16 and 24,237.69

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Solution

The fourth proportional to 76,824.10, 115,236.16 and 24,237.69 is: 36,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,824.10 : 115,236.16 = 24,237.69 : x
  2. Step 2: Convert to fraction form
    76,824.10/115,236.16 = 24,237.69/x
  3. Step 3: Cross multiply
    76,824.10x = 115,236.16 × 24,237.69
  4. Step 4: Simplify right side
    76,824.10x = 2,793,058,095.37
  5. Step 5: Solve for x
    x = 2,793,058,095.37/76,824.10
  6. Step 6: Final answer
    x = 36,356.53

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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.