Home / 115,645.97-173,155.75-60,125.33

Finding the Fourth Proportional to 115,645.97, 173,155.75 and 60,125.33

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Solution

The fourth proportional to 115,645.97, 173,155.75 and 60,125.33 is: 90,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,645.97 : 173,155.75 = 60,125.33 : x
  2. Step 2: Convert to fraction form
    115,645.97/173,155.75 = 60,125.33/x
  3. Step 3: Cross multiply
    115,645.97x = 173,155.75 × 60,125.33
  4. Step 4: Simplify right side
    115,645.97x = 10,411,046,610.15
  5. Step 5: Solve for x
    x = 10,411,046,610.15/115,645.97
  6. Step 6: Final answer
    x = 90,025.16

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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.