Home / 70,099.27-104,981.30-40,427.15

Finding the Fourth Proportional to 70,099.27, 104,981.30 and 40,427.15

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Solution

The fourth proportional to 70,099.27, 104,981.30 and 40,427.15 is: 60,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,099.27 : 104,981.30 = 40,427.15 : x
  2. Step 2: Convert to fraction form
    70,099.27/104,981.30 = 40,427.15/x
  3. Step 3: Cross multiply
    70,099.27x = 104,981.30 × 40,427.15
  4. Step 4: Simplify right side
    70,099.27x = 4,244,094,692.10
  5. Step 5: Solve for x
    x = 4,244,094,692.10/70,099.27
  6. Step 6: Final answer
    x = 60,544.06

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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.