Home / 100,716.39-151,077.96-30,595.50

Finding the Fourth Proportional to 100,716.39, 151,077.96 and 30,595.50

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Solution

The fourth proportional to 100,716.39, 151,077.96 and 30,595.50 is: 45,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,716.39 : 151,077.96 = 30,595.50 : x
  2. Step 2: Convert to fraction form
    100,716.39/151,077.96 = 30,595.50/x
  3. Step 3: Cross multiply
    100,716.39x = 151,077.96 × 30,595.50
  4. Step 4: Simplify right side
    100,716.39x = 4,622,305,725.18
  5. Step 5: Solve for x
    x = 4,622,305,725.18/100,716.39
  6. Step 6: Final answer
    x = 45,894.28

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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.