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Finding the Fourth Proportional to 75,620.67, 113,447.88 and 23,034.21

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Solution

The fourth proportional to 75,620.67, 113,447.88 and 23,034.21 is: 34,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,620.67 : 113,447.88 = 23,034.21 : x
  2. Step 2: Convert to fraction form
    75,620.67/113,447.88 = 23,034.21/x
  3. Step 3: Cross multiply
    75,620.67x = 113,447.88 × 23,034.21
  4. Step 4: Simplify right side
    75,620.67x = 2,613,182,291.97
  5. Step 5: Solve for x
    x = 2,613,182,291.97/75,620.67
  6. Step 6: Final answer
    x = 34,556.46

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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.