Home / 84,592.82-126,878.10-40,247.75

Finding the Fourth Proportional to 84,592.82, 126,878.10 and 40,247.75

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Solution

The fourth proportional to 84,592.82, 126,878.10 and 40,247.75 is: 60,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,592.82 : 126,878.10 = 40,247.75 : x
  2. Step 2: Convert to fraction form
    84,592.82/126,878.10 = 40,247.75/x
  3. Step 3: Cross multiply
    84,592.82x = 126,878.10 × 40,247.75
  4. Step 4: Simplify right side
    84,592.82x = 5,106,558,215.54
  5. Step 5: Solve for x
    x = 5,106,558,215.54/84,592.82
  6. Step 6: Final answer
    x = 60,366.33

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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.