Home / 86,568.48-129,845.43-27,395.55

Finding the Fourth Proportional to 86,568.48, 129,845.43 and 27,395.55

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Solution

The fourth proportional to 86,568.48, 129,845.43 and 27,395.55 is: 41,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,568.48 : 129,845.43 = 27,395.55 : x
  2. Step 2: Convert to fraction form
    86,568.48/129,845.43 = 27,395.55/x
  3. Step 3: Cross multiply
    86,568.48x = 129,845.43 × 27,395.55
  4. Step 4: Simplify right side
    86,568.48x = 3,557,186,969.84
  5. Step 5: Solve for x
    x = 3,557,186,969.84/86,568.48
  6. Step 6: Final answer
    x = 41,091.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.