Home / 68,408.54-94,405.67-38,192.70

Finding the Fourth Proportional to 68,408.54, 94,405.67 and 38,192.70

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Solution

The fourth proportional to 68,408.54, 94,405.67 and 38,192.70 is: 52,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,408.54 : 94,405.67 = 38,192.70 : x
  2. Step 2: Convert to fraction form
    68,408.54/94,405.67 = 38,192.70/x
  3. Step 3: Cross multiply
    68,408.54x = 94,405.67 × 38,192.70
  4. Step 4: Simplify right side
    68,408.54x = 3,605,607,432.61
  5. Step 5: Solve for x
    x = 3,605,607,432.61/68,408.54
  6. Step 6: Final answer
    x = 52,706.98

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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.