Home / 45,126.28-67,698.06-13,956.04

Finding the Fourth Proportional to 45,126.28, 67,698.06 and 13,956.04

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Solution

The fourth proportional to 45,126.28, 67,698.06 and 13,956.04 is: 20,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,126.28 : 67,698.06 = 13,956.04 : x
  2. Step 2: Convert to fraction form
    45,126.28/67,698.06 = 13,956.04/x
  3. Step 3: Cross multiply
    45,126.28x = 67,698.06 × 13,956.04
  4. Step 4: Simplify right side
    45,126.28x = 944,796,833.28
  5. Step 5: Solve for x
    x = 944,796,833.28/45,126.28
  6. Step 6: Final answer
    x = 20,936.73

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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.