Home / 49,441.13-74,161.05-12,001.50

Finding the Fourth Proportional to 49,441.13, 74,161.05 and 12,001.50

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Solution

The fourth proportional to 49,441.13, 74,161.05 and 12,001.50 is: 18,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,441.13 : 74,161.05 = 12,001.50 : x
  2. Step 2: Convert to fraction form
    49,441.13/74,161.05 = 12,001.50/x
  3. Step 3: Cross multiply
    49,441.13x = 74,161.05 × 12,001.50
  4. Step 4: Simplify right side
    49,441.13x = 890,043,841.58
  5. Step 5: Solve for x
    x = 890,043,841.58/49,441.13
  6. Step 6: Final answer
    x = 18,002.09

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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.