Home / 112,906.60-169,360.19-38,079.31

Finding the Fourth Proportional to 112,906.60, 169,360.19 and 38,079.31

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Solution

The fourth proportional to 112,906.60, 169,360.19 and 38,079.31 is: 57,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,906.60 : 169,360.19 = 38,079.31 : x
  2. Step 2: Convert to fraction form
    112,906.60/169,360.19 = 38,079.31/x
  3. Step 3: Cross multiply
    112,906.60x = 169,360.19 × 38,079.31
  4. Step 4: Simplify right side
    112,906.60x = 6,449,118,329.87
  5. Step 5: Solve for x
    x = 6,449,118,329.87/112,906.60
  6. Step 6: Final answer
    x = 57,119.06

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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.