Home / 83,975.40-125,926.65-27,793.80

Finding the Fourth Proportional to 83,975.40, 125,926.65 and 27,793.80

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Solution

The fourth proportional to 83,975.40, 125,926.65 and 27,793.80 is: 41,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,975.40 : 125,926.65 = 27,793.80 : x
  2. Step 2: Convert to fraction form
    83,975.40/125,926.65 = 27,793.80/x
  3. Step 3: Cross multiply
    83,975.40x = 125,926.65 × 27,793.80
  4. Step 4: Simplify right side
    83,975.40x = 3,499,980,124.77
  5. Step 5: Solve for x
    x = 3,499,980,124.77/83,975.40
  6. Step 6: Final answer
    x = 41,678.64

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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.