Home / 100,701.25-151,073.88-38,371.75

Finding the Fourth Proportional to 100,701.25, 151,073.88 and 38,371.75

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Solution

The fourth proportional to 100,701.25, 151,073.88 and 38,371.75 is: 57,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,701.25 : 151,073.88 = 38,371.75 : x
  2. Step 2: Convert to fraction form
    100,701.25/151,073.88 = 38,371.75/x
  3. Step 3: Cross multiply
    100,701.25x = 151,073.88 × 38,371.75
  4. Step 4: Simplify right side
    100,701.25x = 5,796,969,154.89
  5. Step 5: Solve for x
    x = 5,796,969,154.89/100,701.25
  6. Step 6: Final answer
    x = 57,566.01

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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.