Home / 61,901.28-85,418.82-36,408.69

Finding the Fourth Proportional to 61,901.28, 85,418.82 and 36,408.69

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Solution

The fourth proportional to 61,901.28, 85,418.82 and 36,408.69 is: 50,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,901.28 : 85,418.82 = 36,408.69 : x
  2. Step 2: Convert to fraction form
    61,901.28/85,418.82 = 36,408.69/x
  3. Step 3: Cross multiply
    61,901.28x = 85,418.82 × 36,408.69
  4. Step 4: Simplify right side
    61,901.28x = 3,109,987,337.55
  5. Step 5: Solve for x
    x = 3,109,987,337.55/61,901.28
  6. Step 6: Final answer
    x = 50,241.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.