Home / 95,835.80-143,781.44-39,665.54

Finding the Fourth Proportional to 95,835.80, 143,781.44 and 39,665.54

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Solution

The fourth proportional to 95,835.80, 143,781.44 and 39,665.54 is: 59,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,835.80 : 143,781.44 = 39,665.54 : x
  2. Step 2: Convert to fraction form
    95,835.80/143,781.44 = 39,665.54/x
  3. Step 3: Cross multiply
    95,835.80x = 143,781.44 × 39,665.54
  4. Step 4: Simplify right side
    95,835.80x = 5,703,168,459.58
  5. Step 5: Solve for x
    x = 5,703,168,459.58/95,835.80
  6. Step 6: Final answer
    x = 59,509.79

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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.