Home / 66,066.57-91,145.39-37,766.25

Finding the Fourth Proportional to 66,066.57, 91,145.39 and 37,766.25

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Solution

The fourth proportional to 66,066.57, 91,145.39 and 37,766.25 is: 52,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.57 : 91,145.39 = 37,766.25 : x
  2. Step 2: Convert to fraction form
    66,066.57/91,145.39 = 37,766.25/x
  3. Step 3: Cross multiply
    66,066.57x = 91,145.39 × 37,766.25
  4. Step 4: Simplify right side
    66,066.57x = 3,442,219,396.26
  5. Step 5: Solve for x
    x = 3,442,219,396.26/66,066.57
  6. Step 6: Final answer
    x = 52,102.29

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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.