Home / 66,567.21-91,862.28-36,352.54

Finding the Fourth Proportional to 66,567.21, 91,862.28 and 36,352.54

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Solution

The fourth proportional to 66,567.21, 91,862.28 and 36,352.54 is: 50,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,567.21 : 91,862.28 = 36,352.54 : x
  2. Step 2: Convert to fraction form
    66,567.21/91,862.28 = 36,352.54/x
  3. Step 3: Cross multiply
    66,567.21x = 91,862.28 × 36,352.54
  4. Step 4: Simplify right side
    66,567.21x = 3,339,427,208.19
  5. Step 5: Solve for x
    x = 3,339,427,208.19/66,567.21
  6. Step 6: Final answer
    x = 50,166.25

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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.