Home / 66,179.93-91,329.19-35,965.85

Finding the Fourth Proportional to 66,179.93, 91,329.19 and 35,965.85

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Solution

The fourth proportional to 66,179.93, 91,329.19 and 35,965.85 is: 49,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,179.93 : 91,329.19 = 35,965.85 : x
  2. Step 2: Convert to fraction form
    66,179.93/91,329.19 = 35,965.85/x
  3. Step 3: Cross multiply
    66,179.93x = 91,329.19 × 35,965.85
  4. Step 4: Simplify right side
    66,179.93x = 3,284,731,401.60
  5. Step 5: Solve for x
    x = 3,284,731,401.60/66,179.93
  6. Step 6: Final answer
    x = 49,633.35

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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.