Home / 113,077.75-169,694.39-39,205.75

Finding the Fourth Proportional to 113,077.75, 169,694.39 and 39,205.75

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Solution

The fourth proportional to 113,077.75, 169,694.39 and 39,205.75 is: 58,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,077.75 : 169,694.39 = 39,205.75 : x
  2. Step 2: Convert to fraction form
    113,077.75/169,694.39 = 39,205.75/x
  3. Step 3: Cross multiply
    113,077.75x = 169,694.39 × 39,205.75
  4. Step 4: Simplify right side
    113,077.75x = 6,652,995,830.74
  5. Step 5: Solve for x
    x = 6,652,995,830.74/113,077.75
  6. Step 6: Final answer
    x = 58,835.59

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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.