Home / 83,396.44-125,107.62-28,005.40

Finding the Fourth Proportional to 83,396.44, 125,107.62 and 28,005.40

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Solution

The fourth proportional to 83,396.44, 125,107.62 and 28,005.40 is: 42,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,396.44 : 125,107.62 = 28,005.40 : x
  2. Step 2: Convert to fraction form
    83,396.44/125,107.62 = 28,005.40/x
  3. Step 3: Cross multiply
    83,396.44x = 125,107.62 × 28,005.40
  4. Step 4: Simplify right side
    83,396.44x = 3,503,688,523.36
  5. Step 5: Solve for x
    x = 3,503,688,523.36/83,396.44
  6. Step 6: Final answer
    x = 42,012.45

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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.