Home / 72,046.26-108,069.22-40,045.67

Finding the Fourth Proportional to 72,046.26, 108,069.22 and 40,045.67

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Solution

The fourth proportional to 72,046.26, 108,069.22 and 40,045.67 is: 60,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046.26 : 108,069.22 = 40,045.67 : x
  2. Step 2: Convert to fraction form
    72,046.26/108,069.22 = 40,045.67/x
  3. Step 3: Cross multiply
    72,046.26x = 108,069.22 × 40,045.67
  4. Step 4: Simplify right side
    72,046.26x = 4,327,704,236.25
  5. Step 5: Solve for x
    x = 4,327,704,236.25/72,046.26
  6. Step 6: Final answer
    x = 60,068.41

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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.