Home / 83,991.81-126,006.41-30,683.69

Finding the Fourth Proportional to 83,991.81, 126,006.41 and 30,683.69

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Solution

The fourth proportional to 83,991.81, 126,006.41 and 30,683.69 is: 46,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,991.81 : 126,006.41 = 30,683.69 : x
  2. Step 2: Convert to fraction form
    83,991.81/126,006.41 = 30,683.69/x
  3. Step 3: Cross multiply
    83,991.81x = 126,006.41 × 30,683.69
  4. Step 4: Simplify right side
    83,991.81x = 3,866,340,839.00
  5. Step 5: Solve for x
    x = 3,866,340,839.00/83,991.81
  6. Step 6: Final answer
    x = 46,032.36

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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.