Home / 84,206.33-126,295.13-28,040.06

Finding the Fourth Proportional to 84,206.33, 126,295.13 and 28,040.06

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Solution

The fourth proportional to 84,206.33, 126,295.13 and 28,040.06 is: 42,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,206.33 : 126,295.13 = 28,040.06 : x
  2. Step 2: Convert to fraction form
    84,206.33/126,295.13 = 28,040.06/x
  3. Step 3: Cross multiply
    84,206.33x = 126,295.13 × 28,040.06
  4. Step 4: Simplify right side
    84,206.33x = 3,541,323,022.91
  5. Step 5: Solve for x
    x = 3,541,323,022.91/84,206.33
  6. Step 6: Final answer
    x = 42,055.31

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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.