Home / 104,881.25-157,344.65-38,321.27

Finding the Fourth Proportional to 104,881.25, 157,344.65 and 38,321.27

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Solution

The fourth proportional to 104,881.25, 157,344.65 and 38,321.27 is: 57,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,881.25 : 157,344.65 = 38,321.27 : x
  2. Step 2: Convert to fraction form
    104,881.25/157,344.65 = 38,321.27/x
  3. Step 3: Cross multiply
    104,881.25x = 157,344.65 × 38,321.27
  4. Step 4: Simplify right side
    104,881.25x = 6,029,647,304.87
  5. Step 5: Solve for x
    x = 6,029,647,304.87/104,881.25
  6. Step 6: Final answer
    x = 57,490.23

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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.