Home / 121,081.66-181,650.14-36,853.76

Finding the Fourth Proportional to 121,081.66, 181,650.14 and 36,853.76

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Solution

The fourth proportional to 121,081.66, 181,650.14 and 36,853.76 is: 55,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,081.66 : 181,650.14 = 36,853.76 : x
  2. Step 2: Convert to fraction form
    121,081.66/181,650.14 = 36,853.76/x
  3. Step 3: Cross multiply
    121,081.66x = 181,650.14 × 36,853.76
  4. Step 4: Simplify right side
    121,081.66x = 6,694,490,933.38
  5. Step 5: Solve for x
    x = 6,694,490,933.38/121,081.66
  6. Step 6: Final answer
    x = 55,289.06

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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.