Home / 105,921.88-158,888.29-27,036.79

Finding the Fourth Proportional to 105,921.88, 158,888.29 and 27,036.79

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Solution

The fourth proportional to 105,921.88, 158,888.29 and 27,036.79 is: 40,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,921.88 : 158,888.29 = 27,036.79 : x
  2. Step 2: Convert to fraction form
    105,921.88/158,888.29 = 27,036.79/x
  3. Step 3: Cross multiply
    105,921.88x = 158,888.29 × 27,036.79
  4. Step 4: Simplify right side
    105,921.88x = 4,295,829,163.29
  5. Step 5: Solve for x
    x = 4,295,829,163.29/105,921.88
  6. Step 6: Final answer
    x = 40,556.58

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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.