Home / 49,819.16-74,729.01-14,759.12

Finding the Fourth Proportional to 49,819.16, 74,729.01 and 14,759.12

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Solution

The fourth proportional to 49,819.16, 74,729.01 and 14,759.12 is: 22,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,819.16 : 74,729.01 = 14,759.12 : x
  2. Step 2: Convert to fraction form
    49,819.16/74,729.01 = 14,759.12/x
  3. Step 3: Cross multiply
    49,819.16x = 74,729.01 × 14,759.12
  4. Step 4: Simplify right side
    49,819.16x = 1,102,934,426.07
  5. Step 5: Solve for x
    x = 1,102,934,426.07/49,819.16
  6. Step 6: Final answer
    x = 22,138.76

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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.