Home / 115,737.82-173,620.62-40,842.50

Finding the Fourth Proportional to 115,737.82, 173,620.62 and 40,842.50

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Solution

The fourth proportional to 115,737.82, 173,620.62 and 40,842.50 is: 61,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,737.82 : 173,620.62 = 40,842.50 : x
  2. Step 2: Convert to fraction form
    115,737.82/173,620.62 = 40,842.50/x
  3. Step 3: Cross multiply
    115,737.82x = 173,620.62 × 40,842.50
  4. Step 4: Simplify right side
    115,737.82x = 7,091,100,172.35
  5. Step 5: Solve for x
    x = 7,091,100,172.35/115,737.82
  6. Step 6: Final answer
    x = 61,268.65

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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.