Home / 86,695.89-130,043.42-27,536.12

Finding the Fourth Proportional to 86,695.89, 130,043.42 and 27,536.12

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Solution

The fourth proportional to 86,695.89, 130,043.42 and 27,536.12 is: 41,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,695.89 : 130,043.42 = 27,536.12 : x
  2. Step 2: Convert to fraction form
    86,695.89/130,043.42 = 27,536.12/x
  3. Step 3: Cross multiply
    86,695.89x = 130,043.42 × 27,536.12
  4. Step 4: Simplify right side
    86,695.89x = 3,580,890,430.43
  5. Step 5: Solve for x
    x = 3,580,890,430.43/86,695.89
  6. Step 6: Final answer
    x = 41,304.04

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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.