Home / 100,837.76-151,279.28-29,759.64

Finding the Fourth Proportional to 100,837.76, 151,279.28 and 29,759.64

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Solution

The fourth proportional to 100,837.76, 151,279.28 and 29,759.64 is: 44,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,837.76 : 151,279.28 = 29,759.64 : x
  2. Step 2: Convert to fraction form
    100,837.76/151,279.28 = 29,759.64/x
  3. Step 3: Cross multiply
    100,837.76x = 151,279.28 × 29,759.64
  4. Step 4: Simplify right side
    100,837.76x = 4,502,016,912.26
  5. Step 5: Solve for x
    x = 4,502,016,912.26/100,837.76
  6. Step 6: Final answer
    x = 44,646.14

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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.