Home / 68,073.03-102,074.45-30,601.08

Finding the Fourth Proportional to 68,073.03, 102,074.45 and 30,601.08

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Solution

The fourth proportional to 68,073.03, 102,074.45 and 30,601.08 is: 45,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073.03 : 102,074.45 = 30,601.08 : x
  2. Step 2: Convert to fraction form
    68,073.03/102,074.45 = 30,601.08/x
  3. Step 3: Cross multiply
    68,073.03x = 102,074.45 × 30,601.08
  4. Step 4: Simplify right side
    68,073.03x = 3,123,588,257.40
  5. Step 5: Solve for x
    x = 3,123,588,257.40/68,073.03
  6. Step 6: Final answer
    x = 45,885.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.