Home / 112,949.70-169,440.27-38,091.25

Finding the Fourth Proportional to 112,949.70, 169,440.27 and 38,091.25

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Solution

The fourth proportional to 112,949.70, 169,440.27 and 38,091.25 is: 57,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,949.70 : 169,440.27 = 38,091.25 : x
  2. Step 2: Convert to fraction form
    112,949.70/169,440.27 = 38,091.25/x
  3. Step 3: Cross multiply
    112,949.70x = 169,440.27 × 38,091.25
  4. Step 4: Simplify right side
    112,949.70x = 6,454,191,684.64
  5. Step 5: Solve for x
    x = 6,454,191,684.64/112,949.70
  6. Step 6: Final answer
    x = 57,142.18

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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.