Home / 67,420.44-93,433.49-66,469.09

Finding the Fourth Proportional to 67,420.44, 93,433.49 and 66,469.09

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Solution

The fourth proportional to 67,420.44, 93,433.49 and 66,469.09 is: 92,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.44 : 93,433.49 = 66,469.09 : x
  2. Step 2: Convert to fraction form
    67,420.44/93,433.49 = 66,469.09/x
  3. Step 3: Cross multiply
    67,420.44x = 93,433.49 × 66,469.09
  4. Step 4: Simplify right side
    67,420.44x = 6,210,439,055.82
  5. Step 5: Solve for x
    x = 6,210,439,055.82/67,420.44
  6. Step 6: Final answer
    x = 92,115.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.