Home / 68,240.91-94,174.44-39,560.68

Finding the Fourth Proportional to 68,240.91, 94,174.44 and 39,560.68

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Solution

The fourth proportional to 68,240.91, 94,174.44 and 39,560.68 is: 54,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,240.91 : 94,174.44 = 39,560.68 : x
  2. Step 2: Convert to fraction form
    68,240.91/94,174.44 = 39,560.68/x
  3. Step 3: Cross multiply
    68,240.91x = 94,174.44 × 39,560.68
  4. Step 4: Simplify right side
    68,240.91x = 3,725,604,854.38
  5. Step 5: Solve for x
    x = 3,725,604,854.38/68,240.91
  6. Step 6: Final answer
    x = 54,594.89

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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.