Home / 67,414.23-93,037.32-39,118.09

Finding the Fourth Proportional to 67,414.23, 93,037.32 and 39,118.09

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Solution

The fourth proportional to 67,414.23, 93,037.32 and 39,118.09 is: 53,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,414.23 : 93,037.32 = 39,118.09 : x
  2. Step 2: Convert to fraction form
    67,414.23/93,037.32 = 39,118.09/x
  3. Step 3: Cross multiply
    67,414.23x = 93,037.32 × 39,118.09
  4. Step 4: Simplify right side
    67,414.23x = 3,639,442,257.12
  5. Step 5: Solve for x
    x = 3,639,442,257.12/67,414.23
  6. Step 6: Final answer
    x = 53,986.26

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1.5x scale

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.