Home / 103,979.16-155,968.73-25,093.39

Finding the Fourth Proportional to 103,979.16, 155,968.73 and 25,093.39

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Solution

The fourth proportional to 103,979.16, 155,968.73 and 25,093.39 is: 37,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,979.16 : 155,968.73 = 25,093.39 : x
  2. Step 2: Convert to fraction form
    103,979.16/155,968.73 = 25,093.39/x
  3. Step 3: Cross multiply
    103,979.16x = 155,968.73 × 25,093.39
  4. Step 4: Simplify right side
    103,979.16x = 3,913,784,169.69
  5. Step 5: Solve for x
    x = 3,913,784,169.69/103,979.16
  6. Step 6: Final answer
    x = 37,640.08

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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.