Home / 68,450.64-94,459.04-38,235.84

Finding the Fourth Proportional to 68,450.64, 94,459.04 and 38,235.84

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Solution

The fourth proportional to 68,450.64, 94,459.04 and 38,235.84 is: 52,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,450.64 : 94,459.04 = 38,235.84 : x
  2. Step 2: Convert to fraction form
    68,450.64/94,459.04 = 38,235.84/x
  3. Step 3: Cross multiply
    68,450.64x = 94,459.04 × 38,235.84
  4. Step 4: Simplify right side
    68,450.64x = 3,611,720,739.99
  5. Step 5: Solve for x
    x = 3,611,720,739.99/68,450.64
  6. Step 6: Final answer
    x = 52,763.87

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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.