Home / 68,499.96-94,530.60-40,206.12

Finding the Fourth Proportional to 68,499.96, 94,530.60 and 40,206.12

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Solution

The fourth proportional to 68,499.96, 94,530.60 and 40,206.12 is: 55,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,499.96 : 94,530.60 = 40,206.12 : x
  2. Step 2: Convert to fraction form
    68,499.96/94,530.60 = 40,206.12/x
  3. Step 3: Cross multiply
    68,499.96x = 94,530.60 × 40,206.12
  4. Step 4: Simplify right side
    68,499.96x = 3,800,708,647.27
  5. Step 5: Solve for x
    x = 3,800,708,647.27/68,499.96
  6. Step 6: Final answer
    x = 55,484.83

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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.