Home / 83,396.38-125,107.53-28,005.34

Finding the Fourth Proportional to 83,396.38, 125,107.53 and 28,005.34

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Solution

The fourth proportional to 83,396.38, 125,107.53 and 28,005.34 is: 42,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,396.38 : 125,107.53 = 28,005.34 : x
  2. Step 2: Convert to fraction form
    83,396.38/125,107.53 = 28,005.34/x
  3. Step 3: Cross multiply
    83,396.38x = 125,107.53 × 28,005.34
  4. Step 4: Simplify right side
    83,396.38x = 3,503,678,148.65
  5. Step 5: Solve for x
    x = 3,503,678,148.65/83,396.38
  6. Step 6: Final answer
    x = 42,012.36

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1.5x scale

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.