Home / 68,401.60-94,356.28-40,101.84

Finding the Fourth Proportional to 68,401.60, 94,356.28 and 40,101.84

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Solution

The fourth proportional to 68,401.60, 94,356.28 and 40,101.84 is: 55,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,401.60 : 94,356.28 = 40,101.84 : x
  2. Step 2: Convert to fraction form
    68,401.60/94,356.28 = 40,101.84/x
  3. Step 3: Cross multiply
    68,401.60x = 94,356.28 × 40,101.84
  4. Step 4: Simplify right side
    68,401.60x = 3,783,860,443.56
  5. Step 5: Solve for x
    x = 3,783,860,443.56/68,401.60
  6. Step 6: Final answer
    x = 55,318.30

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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.