Home / 65,932.38-98,853.53-31,720.10

Finding the Fourth Proportional to 65,932.38, 98,853.53 and 31,720.10

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Solution

The fourth proportional to 65,932.38, 98,853.53 and 31,720.10 is: 47,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,932.38 : 98,853.53 = 31,720.10 : x
  2. Step 2: Convert to fraction form
    65,932.38/98,853.53 = 31,720.10/x
  3. Step 3: Cross multiply
    65,932.38x = 98,853.53 × 31,720.10
  4. Step 4: Simplify right side
    65,932.38x = 3,135,643,204.08
  5. Step 5: Solve for x
    x = 3,135,643,204.08/65,932.38
  6. Step 6: Final answer
    x = 47,558.47

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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.