Home / 88,279.45-121,823.09-50,042.53

Finding the Fourth Proportional to 88,279.45, 121,823.09 and 50,042.53

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Solution

The fourth proportional to 88,279.45, 121,823.09 and 50,042.53 is: 69,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,279.45 : 121,823.09 = 50,042.53 : x
  2. Step 2: Convert to fraction form
    88,279.45/121,823.09 = 50,042.53/x
  3. Step 3: Cross multiply
    88,279.45x = 121,823.09 × 50,042.53
  4. Step 4: Simplify right side
    88,279.45x = 6,096,335,026.90
  5. Step 5: Solve for x
    x = 6,096,335,026.90/88,279.45
  6. Step 6: Final answer
    x = 69,057.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.