Home / 100,549.39-150,824.05-25,669.52

Finding the Fourth Proportional to 100,549.39, 150,824.05 and 25,669.52

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Solution

The fourth proportional to 100,549.39, 150,824.05 and 25,669.52 is: 38,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,549.39 : 150,824.05 = 25,669.52 : x
  2. Step 2: Convert to fraction form
    100,549.39/150,824.05 = 25,669.52/x
  3. Step 3: Cross multiply
    100,549.39x = 150,824.05 × 25,669.52
  4. Step 4: Simplify right side
    100,549.39x = 3,871,580,967.96
  5. Step 5: Solve for x
    x = 3,871,580,967.96/100,549.39
  6. Step 6: Final answer
    x = 38,504.27

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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.