Home / 115,537.80-173,272.14-60,103.56

Finding the Fourth Proportional to 115,537.80, 173,272.14 and 60,103.56

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Solution

The fourth proportional to 115,537.80, 173,272.14 and 60,103.56 is: 90,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,537.80 : 173,272.14 = 60,103.56 : x
  2. Step 2: Convert to fraction form
    115,537.80/173,272.14 = 60,103.56/x
  3. Step 3: Cross multiply
    115,537.80x = 173,272.14 × 60,103.56
  4. Step 4: Simplify right side
    115,537.80x = 10,414,272,462.82
  5. Step 5: Solve for x
    x = 10,414,272,462.82/115,537.80
  6. Step 6: Final answer
    x = 90,137.36

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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.