Home / 66,548.82-91,815.32-43,899.06

Finding the Fourth Proportional to 66,548.82, 91,815.32 and 43,899.06

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Solution

The fourth proportional to 66,548.82, 91,815.32 and 43,899.06 is: 60,566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.82 : 91,815.32 = 43,899.06 : x
  2. Step 2: Convert to fraction form
    66,548.82/91,815.32 = 43,899.06/x
  3. Step 3: Cross multiply
    66,548.82x = 91,815.32 × 43,899.06
  4. Step 4: Simplify right side
    66,548.82x = 4,030,606,241.60
  5. Step 5: Solve for x
    x = 4,030,606,241.60/66,548.82
  6. Step 6: Final answer
    x = 60,566.16

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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.