Home / 84,578.29-126,852.10-33,975.28

Finding the Fourth Proportional to 84,578.29, 126,852.10 and 33,975.28

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Solution

The fourth proportional to 84,578.29, 126,852.10 and 33,975.28 is: 50,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,578.29 : 126,852.10 = 33,975.28 : x
  2. Step 2: Convert to fraction form
    84,578.29/126,852.10 = 33,975.28/x
  3. Step 3: Cross multiply
    84,578.29x = 126,852.10 × 33,975.28
  4. Step 4: Simplify right side
    84,578.29x = 4,309,835,616.09
  5. Step 5: Solve for x
    x = 4,309,835,616.09/84,578.29
  6. Step 6: Final answer
    x = 50,956.76

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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.