Home / 115,083.52-172,632.72-36,201.28

Finding the Fourth Proportional to 115,083.52, 172,632.72 and 36,201.28

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Solution

The fourth proportional to 115,083.52, 172,632.72 and 36,201.28 is: 54,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,083.52 : 172,632.72 = 36,201.28 : x
  2. Step 2: Convert to fraction form
    115,083.52/172,632.72 = 36,201.28/x
  3. Step 3: Cross multiply
    115,083.52x = 172,632.72 × 36,201.28
  4. Step 4: Simplify right side
    115,083.52x = 6,249,525,433.88
  5. Step 5: Solve for x
    x = 6,249,525,433.88/115,083.52
  6. Step 6: Final answer
    x = 54,304.26

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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.