Home / 68,218.61-94,144.51-38,003.92

Finding the Fourth Proportional to 68,218.61, 94,144.51 and 38,003.92

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Solution

The fourth proportional to 68,218.61, 94,144.51 and 38,003.92 is: 52,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,218.61 : 94,144.51 = 38,003.92 : x
  2. Step 2: Convert to fraction form
    68,218.61/94,144.51 = 38,003.92/x
  3. Step 3: Cross multiply
    68,218.61x = 94,144.51 × 38,003.92
  4. Step 4: Simplify right side
    68,218.61x = 3,577,859,860.75
  5. Step 5: Solve for x
    x = 3,577,859,860.75/68,218.61
  6. Step 6: Final answer
    x = 52,446.98

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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.