Home / 121,016.52-181,542.06-37,917

Finding the Fourth Proportional to 121,016.52, 181,542.06 and 37,917

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Solution

The fourth proportional to 121,016.52, 181,542.06 and 37,917 is: 56,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,016.52 : 181,542.06 = 37,917 : x
  2. Step 2: Convert to fraction form
    121,016.52/181,542.06 = 37,917/x
  3. Step 3: Cross multiply
    121,016.52x = 181,542.06 × 37,917
  4. Step 4: Simplify right side
    121,016.52x = 6,883,530,289.02
  5. Step 5: Solve for x
    x = 6,883,530,289.02/121,016.52
  6. Step 6: Final answer
    x = 56,880.91

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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.