Home / 67,651.45-93,377.76-39,362.60

Finding the Fourth Proportional to 67,651.45, 93,377.76 and 39,362.60

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Solution

The fourth proportional to 67,651.45, 93,377.76 and 39,362.60 is: 54,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,651.45 : 93,377.76 = 39,362.60 : x
  2. Step 2: Convert to fraction form
    67,651.45/93,377.76 = 39,362.60/x
  3. Step 3: Cross multiply
    67,651.45x = 93,377.76 × 39,362.60
  4. Step 4: Simplify right side
    67,651.45x = 3,675,591,415.78
  5. Step 5: Solve for x
    x = 3,675,591,415.78/67,651.45
  6. Step 6: Final answer
    x = 54,331.30

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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.