Home / 75,626.70-113,436.60-28,238.10

Finding the Fourth Proportional to 75,626.70, 113,436.60 and 28,238.10

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Solution

The fourth proportional to 75,626.70, 113,436.60 and 28,238.10 is: 42,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,626.70 : 113,436.60 = 28,238.10 : x
  2. Step 2: Convert to fraction form
    75,626.70/113,436.60 = 28,238.10/x
  3. Step 3: Cross multiply
    75,626.70x = 113,436.60 × 28,238.10
  4. Step 4: Simplify right side
    75,626.70x = 3,203,234,054.46
  5. Step 5: Solve for x
    x = 3,203,234,054.46/75,626.70
  6. Step 6: Final answer
    x = 42,355.86

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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.