Home / 84,465.32-126,610.49-69,517.17

Finding the Fourth Proportional to 84,465.32, 126,610.49 and 69,517.17

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Solution

The fourth proportional to 84,465.32, 126,610.49 and 69,517.17 is: 104,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,465.32 : 126,610.49 = 69,517.17 : x
  2. Step 2: Convert to fraction form
    84,465.32/126,610.49 = 69,517.17/x
  3. Step 3: Cross multiply
    84,465.32x = 126,610.49 × 69,517.17
  4. Step 4: Simplify right side
    84,465.32x = 8,801,603,130.91
  5. Step 5: Solve for x
    x = 8,801,603,130.91/84,465.32
  6. Step 6: Final answer
    x = 104,203.76

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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.