Home / 100,720.32-151,098.72-41,523.04

Finding the Fourth Proportional to 100,720.32, 151,098.72 and 41,523.04

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Solution

The fourth proportional to 100,720.32, 151,098.72 and 41,523.04 is: 62,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,720.32 : 151,098.72 = 41,523.04 : x
  2. Step 2: Convert to fraction form
    100,720.32/151,098.72 = 41,523.04/x
  3. Step 3: Cross multiply
    100,720.32x = 151,098.72 × 41,523.04
  4. Step 4: Simplify right side
    100,720.32x = 6,274,078,194.51
  5. Step 5: Solve for x
    x = 6,274,078,194.51/100,720.32
  6. Step 6: Final answer
    x = 62,292.08

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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.