Home / 55,051.20-82,571.20-15,073.74

Finding the Fourth Proportional to 55,051.20, 82,571.20 and 15,073.74

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Solution

The fourth proportional to 55,051.20, 82,571.20 and 15,073.74 is: 22,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.20 : 82,571.20 = 15,073.74 : x
  2. Step 2: Convert to fraction form
    55,051.20/82,571.20 = 15,073.74/x
  3. Step 3: Cross multiply
    55,051.20x = 82,571.20 × 15,073.74
  4. Step 4: Simplify right side
    55,051.20x = 1,244,656,800.29
  5. Step 5: Solve for x
    x = 1,244,656,800.29/55,051.20
  6. Step 6: Final answer
    x = 22,609.08

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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.