Home / 60,427.22-90,645.68-20,445.82

Finding the Fourth Proportional to 60,427.22, 90,645.68 and 20,445.82

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Solution

The fourth proportional to 60,427.22, 90,645.68 and 20,445.82 is: 30,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.22 : 90,645.68 = 20,445.82 : x
  2. Step 2: Convert to fraction form
    60,427.22/90,645.68 = 20,445.82/x
  3. Step 3: Cross multiply
    60,427.22x = 90,645.68 × 20,445.82
  4. Step 4: Simplify right side
    60,427.22x = 1,853,325,081.56
  5. Step 5: Solve for x
    x = 1,853,325,081.56/60,427.22
  6. Step 6: Final answer
    x = 30,670.37

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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.