Home / 82,393.69-123,656.19-32,486.35

Finding the Fourth Proportional to 82,393.69, 123,656.19 and 32,486.35

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Solution

The fourth proportional to 82,393.69, 123,656.19 and 32,486.35 is: 48,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,393.69 : 123,656.19 = 32,486.35 : x
  2. Step 2: Convert to fraction form
    82,393.69/123,656.19 = 32,486.35/x
  3. Step 3: Cross multiply
    82,393.69x = 123,656.19 × 32,486.35
  4. Step 4: Simplify right side
    82,393.69x = 4,017,138,268.01
  5. Step 5: Solve for x
    x = 4,017,138,268.01/82,393.69
  6. Step 6: Final answer
    x = 48,755.41

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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.