Home / 68,401.13-94,391.71-38,185.59

Finding the Fourth Proportional to 68,401.13, 94,391.71 and 38,185.59

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Solution

The fourth proportional to 68,401.13, 94,391.71 and 38,185.59 is: 52,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,401.13 : 94,391.71 = 38,185.59 : x
  2. Step 2: Convert to fraction form
    68,401.13/94,391.71 = 38,185.59/x
  3. Step 3: Cross multiply
    68,401.13x = 94,391.71 × 38,185.59
  4. Step 4: Simplify right side
    68,401.13x = 3,604,403,610.76
  5. Step 5: Solve for x
    x = 3,604,403,610.76/68,401.13
  6. Step 6: Final answer
    x = 52,695.09

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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.