Home / 79,627.19-119,444.97-20,463.26

Finding the Fourth Proportional to 79,627.19, 119,444.97 and 20,463.26

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Solution

The fourth proportional to 79,627.19, 119,444.97 and 20,463.26 is: 30,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,627.19 : 119,444.97 = 20,463.26 : x
  2. Step 2: Convert to fraction form
    79,627.19/119,444.97 = 20,463.26/x
  3. Step 3: Cross multiply
    79,627.19x = 119,444.97 × 20,463.26
  4. Step 4: Simplify right side
    79,627.19x = 2,444,233,476.80
  5. Step 5: Solve for x
    x = 2,444,233,476.80/79,627.19
  6. Step 6: Final answer
    x = 30,695.97

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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.