Home / 67,122.36-100,464.38-49,348.32

Finding the Fourth Proportional to 67,122.36, 100,464.38 and 49,348.32

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Solution

The fourth proportional to 67,122.36, 100,464.38 and 49,348.32 is: 73,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.36 : 100,464.38 = 49,348.32 : x
  2. Step 2: Convert to fraction form
    67,122.36/100,464.38 = 49,348.32/x
  3. Step 3: Cross multiply
    67,122.36x = 100,464.38 × 49,348.32
  4. Step 4: Simplify right side
    67,122.36x = 4,957,748,372.84
  5. Step 5: Solve for x
    x = 4,957,748,372.84/67,122.36
  6. Step 6: Final answer
    x = 73,861.35

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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.