Home / 121,928.87-182,910.79-37,695.61

Finding the Fourth Proportional to 121,928.87, 182,910.79 and 37,695.61

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Solution

The fourth proportional to 121,928.87, 182,910.79 and 37,695.61 is: 56,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,928.87 : 182,910.79 = 37,695.61 : x
  2. Step 2: Convert to fraction form
    121,928.87/182,910.79 = 37,695.61/x
  3. Step 3: Cross multiply
    121,928.87x = 182,910.79 × 37,695.61
  4. Step 4: Simplify right side
    121,928.87x = 6,894,932,890.08
  5. Step 5: Solve for x
    x = 6,894,932,890.08/121,928.87
  6. Step 6: Final answer
    x = 56,548.82

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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.