Home / 65,869.99-98,734.22-28,447.69

Finding the Fourth Proportional to 65,869.99, 98,734.22 and 28,447.69

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Solution

The fourth proportional to 65,869.99, 98,734.22 and 28,447.69 is: 42,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869.99 : 98,734.22 = 28,447.69 : x
  2. Step 2: Convert to fraction form
    65,869.99/98,734.22 = 28,447.69/x
  3. Step 3: Cross multiply
    65,869.99x = 98,734.22 × 28,447.69
  4. Step 4: Simplify right side
    65,869.99x = 2,808,760,277.43
  5. Step 5: Solve for x
    x = 2,808,760,277.43/65,869.99
  6. Step 6: Final answer
    x = 42,640.97

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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.