Home / 100,884.33-151,326.02-30,763.41

Finding the Fourth Proportional to 100,884.33, 151,326.02 and 30,763.41

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Solution

The fourth proportional to 100,884.33, 151,326.02 and 30,763.41 is: 46,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,884.33 : 151,326.02 = 30,763.41 : x
  2. Step 2: Convert to fraction form
    100,884.33/151,326.02 = 30,763.41/x
  3. Step 3: Cross multiply
    100,884.33x = 151,326.02 × 30,763.41
  4. Step 4: Simplify right side
    100,884.33x = 4,655,304,243.11
  5. Step 5: Solve for x
    x = 4,655,304,243.11/100,884.33
  6. Step 6: Final answer
    x = 46,144.97

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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.