Home / 66,041.31-91,137.01-37,747.61

Finding the Fourth Proportional to 66,041.31, 91,137.01 and 37,747.61

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Solution

The fourth proportional to 66,041.31, 91,137.01 and 37,747.61 is: 52,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,041.31 : 91,137.01 = 37,747.61 : x
  2. Step 2: Convert to fraction form
    66,041.31/91,137.01 = 37,747.61/x
  3. Step 3: Cross multiply
    66,041.31x = 91,137.01 × 37,747.61
  4. Step 4: Simplify right side
    66,041.31x = 3,440,204,310.05
  5. Step 5: Solve for x
    x = 3,440,204,310.05/66,041.31
  6. Step 6: Final answer
    x = 52,091.70

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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.