Home / 72,584.11-108,833.77-28,158.96

Finding the Fourth Proportional to 72,584.11, 108,833.77 and 28,158.96

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Solution

The fourth proportional to 72,584.11, 108,833.77 and 28,158.96 is: 42,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584.11 : 108,833.77 = 28,158.96 : x
  2. Step 2: Convert to fraction form
    72,584.11/108,833.77 = 28,158.96/x
  3. Step 3: Cross multiply
    72,584.11x = 108,833.77 × 28,158.96
  4. Step 4: Simplify right side
    72,584.11x = 3,064,645,776.08
  5. Step 5: Solve for x
    x = 3,064,645,776.08/72,584.11
  6. Step 6: Final answer
    x = 42,221.99

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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.