Home / 67,496.50-93,144.21-39,218.10

Finding the Fourth Proportional to 67,496.50, 93,144.21 and 39,218.10

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Solution

The fourth proportional to 67,496.50, 93,144.21 and 39,218.10 is: 54,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,496.50 : 93,144.21 = 39,218.10 : x
  2. Step 2: Convert to fraction form
    67,496.50/93,144.21 = 39,218.10/x
  3. Step 3: Cross multiply
    67,496.50x = 93,144.21 × 39,218.10
  4. Step 4: Simplify right side
    67,496.50x = 3,652,938,942.20
  5. Step 5: Solve for x
    x = 3,652,938,942.20/67,496.50
  6. Step 6: Final answer
    x = 54,120.42

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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.