Home / 115,749.87-173,637.54-36,845.61

Finding the Fourth Proportional to 115,749.87, 173,637.54 and 36,845.61

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Solution

The fourth proportional to 115,749.87, 173,637.54 and 36,845.61 is: 55,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,749.87 : 173,637.54 = 36,845.61 : x
  2. Step 2: Convert to fraction form
    115,749.87/173,637.54 = 36,845.61/x
  3. Step 3: Cross multiply
    115,749.87x = 173,637.54 × 36,845.61
  4. Step 4: Simplify right side
    115,749.87x = 6,397,781,080.20
  5. Step 5: Solve for x
    x = 6,397,781,080.20/115,749.87
  6. Step 6: Final answer
    x = 55,272.47

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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.