Home / 51,086.11-70,497.04-28,113.78

Finding the Fourth Proportional to 51,086.11, 70,497.04 and 28,113.78

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Solution

The fourth proportional to 51,086.11, 70,497.04 and 28,113.78 is: 38,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,086.11 : 70,497.04 = 28,113.78 : x
  2. Step 2: Convert to fraction form
    51,086.11/70,497.04 = 28,113.78/x
  3. Step 3: Cross multiply
    51,086.11x = 70,497.04 × 28,113.78
  4. Step 4: Simplify right side
    51,086.11x = 1,981,938,273.21
  5. Step 5: Solve for x
    x = 1,981,938,273.21/51,086.11
  6. Step 6: Final answer
    x = 38,796.03

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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.