Home / 67,408.68-93,028.32-38,737.56

Finding the Fourth Proportional to 67,408.68, 93,028.32 and 38,737.56

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Solution

The fourth proportional to 67,408.68, 93,028.32 and 38,737.56 is: 53,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,408.68 : 93,028.32 = 38,737.56 : x
  2. Step 2: Convert to fraction form
    67,408.68/93,028.32 = 38,737.56/x
  3. Step 3: Cross multiply
    67,408.68x = 93,028.32 × 38,737.56
  4. Step 4: Simplify right side
    67,408.68x = 3,603,690,127.70
  5. Step 5: Solve for x
    x = 3,603,690,127.70/67,408.68
  6. Step 6: Final answer
    x = 53,460.33

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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.