Home / 75,927.12-113,909.49-22,618.86

Finding the Fourth Proportional to 75,927.12, 113,909.49 and 22,618.86

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Solution

The fourth proportional to 75,927.12, 113,909.49 and 22,618.86 is: 33,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,927.12 : 113,909.49 = 22,618.86 : x
  2. Step 2: Convert to fraction form
    75,927.12/113,909.49 = 22,618.86/x
  3. Step 3: Cross multiply
    75,927.12x = 113,909.49 × 22,618.86
  4. Step 4: Simplify right side
    75,927.12x = 2,576,502,379.82
  5. Step 5: Solve for x
    x = 2,576,502,379.82/75,927.12
  6. Step 6: Final answer
    x = 33,933.89

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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.