Home / 86,815.96-130,222.59-27,651.13

Finding the Fourth Proportional to 86,815.96, 130,222.59 and 27,651.13

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Solution

The fourth proportional to 86,815.96, 130,222.59 and 27,651.13 is: 41,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,815.96 : 130,222.59 = 27,651.13 : x
  2. Step 2: Convert to fraction form
    86,815.96/130,222.59 = 27,651.13/x
  3. Step 3: Cross multiply
    86,815.96x = 130,222.59 × 27,651.13
  4. Step 4: Simplify right side
    86,815.96x = 3,600,801,765.03
  5. Step 5: Solve for x
    x = 3,600,801,765.03/86,815.96
  6. Step 6: Final answer
    x = 41,476.27

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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.