Home / 51,409.50-77,079.12-27,397.43

Finding the Fourth Proportional to 51,409.50, 77,079.12 and 27,397.43

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Solution

The fourth proportional to 51,409.50, 77,079.12 and 27,397.43 is: 41,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,409.50 : 77,079.12 = 27,397.43 : x
  2. Step 2: Convert to fraction form
    51,409.50/77,079.12 = 27,397.43/x
  3. Step 3: Cross multiply
    51,409.50x = 77,079.12 × 27,397.43
  4. Step 4: Simplify right side
    51,409.50x = 2,111,769,409.27
  5. Step 5: Solve for x
    x = 2,111,769,409.27/51,409.50
  6. Step 6: Final answer
    x = 41,077.42

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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.