Home / 80,750.89-121,130.52-24,586.66

Finding the Fourth Proportional to 80,750.89, 121,130.52 and 24,586.66

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Solution

The fourth proportional to 80,750.89, 121,130.52 and 24,586.66 is: 36,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,750.89 : 121,130.52 = 24,586.66 : x
  2. Step 2: Convert to fraction form
    80,750.89/121,130.52 = 24,586.66/x
  3. Step 3: Cross multiply
    80,750.89x = 121,130.52 × 24,586.66
  4. Step 4: Simplify right side
    80,750.89x = 2,978,194,910.86
  5. Step 5: Solve for x
    x = 2,978,194,910.86/80,750.89
  6. Step 6: Final answer
    x = 36,881.26

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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.