Home / 67,408.38-92,993.40-39,097.62

Finding the Fourth Proportional to 67,408.38, 92,993.40 and 39,097.62

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Solution

The fourth proportional to 67,408.38, 92,993.40 and 39,097.62 is: 53,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,408.38 : 92,993.40 = 39,097.62 : x
  2. Step 2: Convert to fraction form
    67,408.38/92,993.40 = 39,097.62/x
  3. Step 3: Cross multiply
    67,408.38x = 92,993.40 × 39,097.62
  4. Step 4: Simplify right side
    67,408.38x = 3,635,820,615.71
  5. Step 5: Solve for x
    x = 3,635,820,615.71/67,408.38
  6. Step 6: Final answer
    x = 53,937.22

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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.