Home / 67,298.96-100,836.84-40,923.92

Finding the Fourth Proportional to 67,298.96, 100,836.84 and 40,923.92

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Solution

The fourth proportional to 67,298.96, 100,836.84 and 40,923.92 is: 61,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298.96 : 100,836.84 = 40,923.92 : x
  2. Step 2: Convert to fraction form
    67,298.96/100,836.84 = 40,923.92/x
  3. Step 3: Cross multiply
    67,298.96x = 100,836.84 × 40,923.92
  4. Step 4: Simplify right side
    67,298.96x = 4,126,638,773.21
  5. Step 5: Solve for x
    x = 4,126,638,773.21/67,298.96
  6. Step 6: Final answer
    x = 61,318.02

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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.