Home / 127,638.70-191,433.34-48,734.17

Finding the Fourth Proportional to 127,638.70, 191,433.34 and 48,734.17

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Solution

The fourth proportional to 127,638.70, 191,433.34 and 48,734.17 is: 73,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,638.70 : 191,433.34 = 48,734.17 : x
  2. Step 2: Convert to fraction form
    127,638.70/191,433.34 = 48,734.17/x
  3. Step 3: Cross multiply
    127,638.70x = 191,433.34 × 48,734.17
  4. Step 4: Simplify right side
    127,638.70x = 9,329,344,517.56
  5. Step 5: Solve for x
    x = 9,329,344,517.56/127,638.70
  6. Step 6: Final answer
    x = 73,091.82

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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.