Home / 49,780.89-74,671.34-14,717.84

Finding the Fourth Proportional to 49,780.89, 74,671.34 and 14,717.84

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Solution

The fourth proportional to 49,780.89, 74,671.34 and 14,717.84 is: 22,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780.89 : 74,671.34 = 14,717.84 : x
  2. Step 2: Convert to fraction form
    49,780.89/74,671.34 = 14,717.84/x
  3. Step 3: Cross multiply
    49,780.89x = 74,671.34 × 14,717.84
  4. Step 4: Simplify right side
    49,780.89x = 1,099,000,387.76
  5. Step 5: Solve for x
    x = 1,099,000,387.76/49,780.89
  6. Step 6: Final answer
    x = 22,076.75

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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.