Home / 124,879.32-172,353.83-92,826.81

Finding the Fourth Proportional to 124,879.32, 172,353.83 and 92,826.81

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Solution

The fourth proportional to 124,879.32, 172,353.83 and 92,826.81 is: 128,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,879.32 : 172,353.83 = 92,826.81 : x
  2. Step 2: Convert to fraction form
    124,879.32/172,353.83 = 92,826.81/x
  3. Step 3: Cross multiply
    124,879.32x = 172,353.83 × 92,826.81
  4. Step 4: Simplify right side
    124,879.32x = 15,999,055,766.05
  5. Step 5: Solve for x
    x = 15,999,055,766.05/124,879.32
  6. Step 6: Final answer
    x = 128,116.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.