Home / 83,771.08-125,656.54-21,441.48

Finding the Fourth Proportional to 83,771.08, 125,656.54 and 21,441.48

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Solution

The fourth proportional to 83,771.08, 125,656.54 and 21,441.48 is: 32,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,771.08 : 125,656.54 = 21,441.48 : x
  2. Step 2: Convert to fraction form
    83,771.08/125,656.54 = 21,441.48/x
  3. Step 3: Cross multiply
    83,771.08x = 125,656.54 × 21,441.48
  4. Step 4: Simplify right side
    83,771.08x = 2,694,262,189.28
  5. Step 5: Solve for x
    x = 2,694,262,189.28/83,771.08
  6. Step 6: Final answer
    x = 32,162.20

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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.