Home / 66,121.11-91,257.44-37,442.25

Finding the Fourth Proportional to 66,121.11, 91,257.44 and 37,442.25

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Solution

The fourth proportional to 66,121.11, 91,257.44 and 37,442.25 is: 51,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,121.11 : 91,257.44 = 37,442.25 : x
  2. Step 2: Convert to fraction form
    66,121.11/91,257.44 = 37,442.25/x
  3. Step 3: Cross multiply
    66,121.11x = 91,257.44 × 37,442.25
  4. Step 4: Simplify right side
    66,121.11x = 3,416,883,882.84
  5. Step 5: Solve for x
    x = 3,416,883,882.84/66,121.11
  6. Step 6: Final answer
    x = 51,676.14

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1.5x scale

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.