Home / 76,191.74-105,135.62-43,926

Finding the Fourth Proportional to 76,191.74, 105,135.62 and 43,926

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Solution

The fourth proportional to 76,191.74, 105,135.62 and 43,926 is: 60,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,191.74 : 105,135.62 = 43,926 : x
  2. Step 2: Convert to fraction form
    76,191.74/105,135.62 = 43,926/x
  3. Step 3: Cross multiply
    76,191.74x = 105,135.62 × 43,926
  4. Step 4: Simplify right side
    76,191.74x = 4,618,187,244.12
  5. Step 5: Solve for x
    x = 4,618,187,244.12/76,191.74
  6. Step 6: Final answer
    x = 60,612.70

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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.