Home / 65,709.38-98,634.24-28,288.01

Finding the Fourth Proportional to 65,709.38, 98,634.24 and 28,288.01

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Solution

The fourth proportional to 65,709.38, 98,634.24 and 28,288.01 is: 42,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,709.38 : 98,634.24 = 28,288.01 : x
  2. Step 2: Convert to fraction form
    65,709.38/98,634.24 = 28,288.01/x
  3. Step 3: Cross multiply
    65,709.38x = 98,634.24 × 28,288.01
  4. Step 4: Simplify right side
    65,709.38x = 2,790,165,874.29
  5. Step 5: Solve for x
    x = 2,790,165,874.29/65,709.38
  6. Step 6: Final answer
    x = 42,462.22

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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.