Home / 66,745.19-92,099.27-39,882.02

Finding the Fourth Proportional to 66,745.19, 92,099.27 and 39,882.02

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Solution

The fourth proportional to 66,745.19, 92,099.27 and 39,882.02 is: 55,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,745.19 : 92,099.27 = 39,882.02 : x
  2. Step 2: Convert to fraction form
    66,745.19/92,099.27 = 39,882.02/x
  3. Step 3: Cross multiply
    66,745.19x = 92,099.27 × 39,882.02
  4. Step 4: Simplify right side
    66,745.19x = 3,673,104,268.22
  5. Step 5: Solve for x
    x = 3,673,104,268.22/66,745.19
  6. Step 6: Final answer
    x = 55,031.75

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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.