Home / 110,642.35-165,988.20-31,750.42

Finding the Fourth Proportional to 110,642.35, 165,988.20 and 31,750.42

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Solution

The fourth proportional to 110,642.35, 165,988.20 and 31,750.42 is: 47,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,642.35 : 165,988.20 = 31,750.42 : x
  2. Step 2: Convert to fraction form
    110,642.35/165,988.20 = 31,750.42/x
  3. Step 3: Cross multiply
    110,642.35x = 165,988.20 × 31,750.42
  4. Step 4: Simplify right side
    110,642.35x = 5,270,195,065.04
  5. Step 5: Solve for x
    x = 5,270,195,065.04/110,642.35
  6. Step 6: Final answer
    x = 47,632.71

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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.