Home / 100,799.59-151,292.79-50,914.65

Finding the Fourth Proportional to 100,799.59, 151,292.79 and 50,914.65

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Solution

The fourth proportional to 100,799.59, 151,292.79 and 50,914.65 is: 76,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,799.59 : 151,292.79 = 50,914.65 : x
  2. Step 2: Convert to fraction form
    100,799.59/151,292.79 = 50,914.65/x
  3. Step 3: Cross multiply
    100,799.59x = 151,292.79 × 50,914.65
  4. Step 4: Simplify right side
    100,799.59x = 7,703,019,449.01
  5. Step 5: Solve for x
    x = 7,703,019,449.01/100,799.59
  6. Step 6: Final answer
    x = 76,419.16

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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.