Home / 115,580.37-173,420.64-40,753.97

Finding the Fourth Proportional to 115,580.37, 173,420.64 and 40,753.97

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Solution

The fourth proportional to 115,580.37, 173,420.64 and 40,753.97 is: 61,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,580.37 : 173,420.64 = 40,753.97 : x
  2. Step 2: Convert to fraction form
    115,580.37/173,420.64 = 40,753.97/x
  3. Step 3: Cross multiply
    115,580.37x = 173,420.64 × 40,753.97
  4. Step 4: Simplify right side
    115,580.37x = 7,067,578,692.84
  5. Step 5: Solve for x
    x = 7,067,578,692.84/115,580.37
  6. Step 6: Final answer
    x = 61,148.61

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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.