Home / 100,530.77-150,799.78-50,583.69

Finding the Fourth Proportional to 100,530.77, 150,799.78 and 50,583.69

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Solution

The fourth proportional to 100,530.77, 150,799.78 and 50,583.69 is: 75,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,530.77 : 150,799.78 = 50,583.69 : x
  2. Step 2: Convert to fraction form
    100,530.77/150,799.78 = 50,583.69/x
  3. Step 3: Cross multiply
    100,530.77x = 150,799.78 × 50,583.69
  4. Step 4: Simplify right side
    100,530.77x = 7,628,009,102.28
  5. Step 5: Solve for x
    x = 7,628,009,102.28/100,530.77
  6. Step 6: Final answer
    x = 75,877.36

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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.