Home / 107,927.58-161,792.01-72,879.42

Finding the Fourth Proportional to 107,927.58, 161,792.01 and 72,879.42

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Solution

The fourth proportional to 107,927.58, 161,792.01 and 72,879.42 is: 109,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,927.58 : 161,792.01 = 72,879.42 : x
  2. Step 2: Convert to fraction form
    107,927.58/161,792.01 = 72,879.42/x
  3. Step 3: Cross multiply
    107,927.58x = 161,792.01 × 72,879.42
  4. Step 4: Simplify right side
    107,927.58x = 11,791,307,849.43
  5. Step 5: Solve for x
    x = 11,791,307,849.43/107,927.58
  6. Step 6: Final answer
    x = 109,252.04

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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.