Home / 67,419.44-93,432.10-66,468.09

Finding the Fourth Proportional to 67,419.44, 93,432.10 and 66,468.09

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Solution

The fourth proportional to 67,419.44, 93,432.10 and 66,468.09 is: 92,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,419.44 : 93,432.10 = 66,468.09 : x
  2. Step 2: Convert to fraction form
    67,419.44/93,432.10 = 66,468.09/x
  3. Step 3: Cross multiply
    67,419.44x = 93,432.10 × 66,468.09
  4. Step 4: Simplify right side
    67,419.44x = 6,210,253,231.69
  5. Step 5: Solve for x
    x = 6,210,253,231.69/67,419.44
  6. Step 6: Final answer
    x = 92,113.69

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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.