Home / 86,568.12-129,840.84-27,404.10

Finding the Fourth Proportional to 86,568.12, 129,840.84 and 27,404.10

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Solution

The fourth proportional to 86,568.12, 129,840.84 and 27,404.10 is: 41,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,568.12 : 129,840.84 = 27,404.10 : x
  2. Step 2: Convert to fraction form
    86,568.12/129,840.84 = 27,404.10/x
  3. Step 3: Cross multiply
    86,568.12x = 129,840.84 × 27,404.10
  4. Step 4: Simplify right side
    86,568.12x = 3,558,171,363.44
  5. Step 5: Solve for x
    x = 3,558,171,363.44/86,568.12
  6. Step 6: Final answer
    x = 41,102.56

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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.