Home / 121,834.72-182,821.20-48,014.56

Finding the Fourth Proportional to 121,834.72, 182,821.20 and 48,014.56

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Solution

The fourth proportional to 121,834.72, 182,821.20 and 48,014.56 is: 72,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,834.72 : 182,821.20 = 48,014.56 : x
  2. Step 2: Convert to fraction form
    121,834.72/182,821.20 = 48,014.56/x
  3. Step 3: Cross multiply
    121,834.72x = 182,821.20 × 48,014.56
  4. Step 4: Simplify right side
    121,834.72x = 8,778,079,476.67
  5. Step 5: Solve for x
    x = 8,778,079,476.67/121,834.72
  6. Step 6: Final answer
    x = 72,049.08

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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.