Home / 100,717.31-151,107.21-41,557.74

Finding the Fourth Proportional to 100,717.31, 151,107.21 and 41,557.74

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Solution

The fourth proportional to 100,717.31, 151,107.21 and 41,557.74 is: 62,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,717.31 : 151,107.21 = 41,557.74 : x
  2. Step 2: Convert to fraction form
    100,717.31/151,107.21 = 41,557.74/x
  3. Step 3: Cross multiply
    100,717.31x = 151,107.21 × 41,557.74
  4. Step 4: Simplify right side
    100,717.31x = 6,279,674,145.31
  5. Step 5: Solve for x
    x = 6,279,674,145.31/100,717.31
  6. Step 6: Final answer
    x = 62,349.51

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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.