Home / 75,496.20-113,244.30-67,331.40

Finding the Fourth Proportional to 75,496.20, 113,244.30 and 67,331.40

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Solution

The fourth proportional to 75,496.20, 113,244.30 and 67,331.40 is: 100,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,496.20 : 113,244.30 = 67,331.40 : x
  2. Step 2: Convert to fraction form
    75,496.20/113,244.30 = 67,331.40/x
  3. Step 3: Cross multiply
    75,496.20x = 113,244.30 × 67,331.40
  4. Step 4: Simplify right side
    75,496.20x = 7,624,897,261.02
  5. Step 5: Solve for x
    x = 7,624,897,261.02/75,496.20
  6. Step 6: Final answer
    x = 100,997.10

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1.5x scale

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.