Home / 75,638.42-113,527.68-38,224.82

Finding the Fourth Proportional to 75,638.42, 113,527.68 and 38,224.82

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Solution

The fourth proportional to 75,638.42, 113,527.68 and 38,224.82 is: 57,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.42 : 113,527.68 = 38,224.82 : x
  2. Step 2: Convert to fraction form
    75,638.42/113,527.68 = 38,224.82/x
  3. Step 3: Cross multiply
    75,638.42x = 113,527.68 × 38,224.82
  4. Step 4: Simplify right side
    75,638.42x = 4,339,575,133.02
  5. Step 5: Solve for x
    x = 4,339,575,133.02/75,638.42
  6. Step 6: Final answer
    x = 57,372.63

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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.