Home / 103,982.64-155,973.96-25,096.80

Finding the Fourth Proportional to 103,982.64, 155,973.96 and 25,096.80

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Solution

The fourth proportional to 103,982.64, 155,973.96 and 25,096.80 is: 37,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,982.64 : 155,973.96 = 25,096.80 : x
  2. Step 2: Convert to fraction form
    103,982.64/155,973.96 = 25,096.80/x
  3. Step 3: Cross multiply
    103,982.64x = 155,973.96 × 25,096.80
  4. Step 4: Simplify right side
    103,982.64x = 3,914,447,279.33
  5. Step 5: Solve for x
    x = 3,914,447,279.33/103,982.64
  6. Step 6: Final answer
    x = 37,645.20

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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.