Home / 84,205.33-126,293.63-28,039.06

Finding the Fourth Proportional to 84,205.33, 126,293.63 and 28,039.06

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Solution

The fourth proportional to 84,205.33, 126,293.63 and 28,039.06 is: 42,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.33 : 126,293.63 = 28,039.06 : x
  2. Step 2: Convert to fraction form
    84,205.33/126,293.63 = 28,039.06/x
  3. Step 3: Cross multiply
    84,205.33x = 126,293.63 × 28,039.06
  4. Step 4: Simplify right side
    84,205.33x = 3,541,154,669.19
  5. Step 5: Solve for x
    x = 3,541,154,669.19/84,205.33
  6. Step 6: Final answer
    x = 42,053.81

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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.