Home / 66,371.13-91,532.03-43,976.25

Finding the Fourth Proportional to 66,371.13, 91,532.03 and 43,976.25

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Solution

The fourth proportional to 66,371.13, 91,532.03 and 43,976.25 is: 60,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,371.13 : 91,532.03 = 43,976.25 : x
  2. Step 2: Convert to fraction form
    66,371.13/91,532.03 = 43,976.25/x
  3. Step 3: Cross multiply
    66,371.13x = 91,532.03 × 43,976.25
  4. Step 4: Simplify right side
    66,371.13x = 4,025,235,214.41
  5. Step 5: Solve for x
    x = 4,025,235,214.41/66,371.13
  6. Step 6: Final answer
    x = 60,647.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.