Home / 100,721.32-151,119.26-41,562.16

Finding the Fourth Proportional to 100,721.32, 151,119.26 and 41,562.16

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Solution

The fourth proportional to 100,721.32, 151,119.26 and 41,562.16 is: 62,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,721.32 : 151,119.26 = 41,562.16 : x
  2. Step 2: Convert to fraction form
    100,721.32/151,119.26 = 41,562.16/x
  3. Step 3: Cross multiply
    100,721.32x = 151,119.26 × 41,562.16
  4. Step 4: Simplify right side
    100,721.32x = 6,280,842,863.20
  5. Step 5: Solve for x
    x = 6,280,842,863.20/100,721.32
  6. Step 6: Final answer
    x = 62,358.62

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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.