Home / 75,027.90-112,527-21,726.12

Finding the Fourth Proportional to 75,027.90, 112,527 and 21,726.12

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Solution

The fourth proportional to 75,027.90, 112,527 and 21,726.12 is: 32,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,027.90 : 112,527 = 21,726.12 : x
  2. Step 2: Convert to fraction form
    75,027.90/112,527 = 21,726.12/x
  3. Step 3: Cross multiply
    75,027.90x = 112,527 × 21,726.12
  4. Step 4: Simplify right side
    75,027.90x = 2,444,775,105.24
  5. Step 5: Solve for x
    x = 2,444,775,105.24/75,027.90
  6. Step 6: Final answer
    x = 32,584.88

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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.