Home / 75,678.33-113,520.69-22,370.43

Finding the Fourth Proportional to 75,678.33, 113,520.69 and 22,370.43

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Solution

The fourth proportional to 75,678.33, 113,520.69 and 22,370.43 is: 33,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.33 : 113,520.69 = 22,370.43 : x
  2. Step 2: Convert to fraction form
    75,678.33/113,520.69 = 22,370.43/x
  3. Step 3: Cross multiply
    75,678.33x = 113,520.69 × 22,370.43
  4. Step 4: Simplify right side
    75,678.33x = 2,539,506,649.20
  5. Step 5: Solve for x
    x = 2,539,506,649.20/75,678.33
  6. Step 6: Final answer
    x = 33,556.59

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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.