Home / 66,745.69-92,099.96-39,882.52

Finding the Fourth Proportional to 66,745.69, 92,099.96 and 39,882.52

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Solution

The fourth proportional to 66,745.69, 92,099.96 and 39,882.52 is: 55,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,745.69 : 92,099.96 = 39,882.52 : x
  2. Step 2: Convert to fraction form
    66,745.69/92,099.96 = 39,882.52/x
  3. Step 3: Cross multiply
    66,745.69x = 92,099.96 × 39,882.52
  4. Step 4: Simplify right side
    66,745.69x = 3,673,177,836.79
  5. Step 5: Solve for x
    x = 3,673,177,836.79/66,745.69
  6. Step 6: Final answer
    x = 55,032.44

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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.