Home / 68,647.12-102,970.68-24,249.76

Finding the Fourth Proportional to 68,647.12, 102,970.68 and 24,249.76

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Solution

The fourth proportional to 68,647.12, 102,970.68 and 24,249.76 is: 36,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,647.12 : 102,970.68 = 24,249.76 : x
  2. Step 2: Convert to fraction form
    68,647.12/102,970.68 = 24,249.76/x
  3. Step 3: Cross multiply
    68,647.12x = 102,970.68 × 24,249.76
  4. Step 4: Simplify right side
    68,647.12x = 2,497,014,277.04
  5. Step 5: Solve for x
    x = 2,497,014,277.04/68,647.12
  6. Step 6: Final answer
    x = 36,374.64

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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.