Home / 65,738.38-98,677.77-28,316.99

Finding the Fourth Proportional to 65,738.38, 98,677.77 and 28,316.99

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Solution

The fourth proportional to 65,738.38, 98,677.77 and 28,316.99 is: 42,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,738.38 : 98,677.77 = 28,316.99 : x
  2. Step 2: Convert to fraction form
    65,738.38/98,677.77 = 28,316.99/x
  3. Step 3: Cross multiply
    65,738.38x = 98,677.77 × 28,316.99
  4. Step 4: Simplify right side
    65,738.38x = 2,794,257,426.31
  5. Step 5: Solve for x
    x = 2,794,257,426.31/65,738.38
  6. Step 6: Final answer
    x = 42,505.72

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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.