Home / 98,577.88-135,986.94-66,735.64

Finding the Fourth Proportional to 98,577.88, 135,986.94 and 66,735.64

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Solution

The fourth proportional to 98,577.88, 135,986.94 and 66,735.64 is: 92,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,577.88 : 135,986.94 = 66,735.64 : x
  2. Step 2: Convert to fraction form
    98,577.88/135,986.94 = 66,735.64/x
  3. Step 3: Cross multiply
    98,577.88x = 135,986.94 × 66,735.64
  4. Step 4: Simplify right side
    98,577.88x = 9,075,175,472.54
  5. Step 5: Solve for x
    x = 9,075,175,472.54/98,577.88
  6. Step 6: Final answer
    x = 92,060.97

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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.