Home / 95,651.28-131,920.16-84,904

Finding the Fourth Proportional to 95,651.28, 131,920.16 and 84,904

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Solution

The fourth proportional to 95,651.28, 131,920.16 and 84,904 is: 117,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,651.28 : 131,920.16 = 84,904 : x
  2. Step 2: Convert to fraction form
    95,651.28/131,920.16 = 84,904/x
  3. Step 3: Cross multiply
    95,651.28x = 131,920.16 × 84,904
  4. Step 4: Simplify right side
    95,651.28x = 11,200,549,264.64
  5. Step 5: Solve for x
    x = 11,200,549,264.64/95,651.28
  6. Step 6: Final answer
    x = 117,097.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.