Home / 124,709.24-172,047.78-92,081.86

Finding the Fourth Proportional to 124,709.24, 172,047.78 and 92,081.86

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Solution

The fourth proportional to 124,709.24, 172,047.78 and 92,081.86 is: 127,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,709.24 : 172,047.78 = 92,081.86 : x
  2. Step 2: Convert to fraction form
    124,709.24/172,047.78 = 92,081.86/x
  3. Step 3: Cross multiply
    124,709.24x = 172,047.78 × 92,081.86
  4. Step 4: Simplify right side
    124,709.24x = 15,842,479,161.15
  5. Step 5: Solve for x
    x = 15,842,479,161.15/124,709.24
  6. Step 6: Final answer
    x = 127,035.33

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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.