Home / 75,318.12-112,980.12-22,727.61

Finding the Fourth Proportional to 75,318.12, 112,980.12 and 22,727.61

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Solution

The fourth proportional to 75,318.12, 112,980.12 and 22,727.61 is: 34,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,318.12 : 112,980.12 = 22,727.61 : x
  2. Step 2: Convert to fraction form
    75,318.12/112,980.12 = 22,727.61/x
  3. Step 3: Cross multiply
    75,318.12x = 112,980.12 × 22,727.61
  4. Step 4: Simplify right side
    75,318.12x = 2,567,768,105.11
  5. Step 5: Solve for x
    x = 2,567,768,105.11/75,318.12
  6. Step 6: Final answer
    x = 34,092.30

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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.