Home / 66,041.28-91,137.24-37,747.92

Finding the Fourth Proportional to 66,041.28, 91,137.24 and 37,747.92

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Solution

The fourth proportional to 66,041.28, 91,137.24 and 37,747.92 is: 52,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,041.28 : 91,137.24 = 37,747.92 : x
  2. Step 2: Convert to fraction form
    66,041.28/91,137.24 = 37,747.92/x
  3. Step 3: Cross multiply
    66,041.28x = 91,137.24 × 37,747.92
  4. Step 4: Simplify right side
    66,041.28x = 3,440,241,244.54
  5. Step 5: Solve for x
    x = 3,440,241,244.54/66,041.28
  6. Step 6: Final answer
    x = 52,092.29

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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.