Home / 112,707.56-169,149.66-49,571.56

Finding the Fourth Proportional to 112,707.56, 169,149.66 and 49,571.56

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Solution

The fourth proportional to 112,707.56, 169,149.66 and 49,571.56 is: 74,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,707.56 : 169,149.66 = 49,571.56 : x
  2. Step 2: Convert to fraction form
    112,707.56/169,149.66 = 49,571.56/x
  3. Step 3: Cross multiply
    112,707.56x = 169,149.66 × 49,571.56
  4. Step 4: Simplify right side
    112,707.56x = 8,385,012,519.67
  5. Step 5: Solve for x
    x = 8,385,012,519.67/112,707.56
  6. Step 6: Final answer
    x = 74,396.19

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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.