Home / 66,340.80-91,536.48-41,175.36

Finding the Fourth Proportional to 66,340.80, 91,536.48 and 41,175.36

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Solution

The fourth proportional to 66,340.80, 91,536.48 and 41,175.36 is: 56,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340.80 : 91,536.48 = 41,175.36 : x
  2. Step 2: Convert to fraction form
    66,340.80/91,536.48 = 41,175.36/x
  3. Step 3: Cross multiply
    66,340.80x = 91,536.48 × 41,175.36
  4. Step 4: Simplify right side
    66,340.80x = 3,769,047,517.13
  5. Step 5: Solve for x
    x = 3,769,047,517.13/66,340.80
  6. Step 6: Final answer
    x = 56,813.42

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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.