Home / 55,129.48-76,077.32-32,163.70

Finding the Fourth Proportional to 55,129.48, 76,077.32 and 32,163.70

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Solution

The fourth proportional to 55,129.48, 76,077.32 and 32,163.70 is: 44,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,129.48 : 76,077.32 = 32,163.70 : x
  2. Step 2: Convert to fraction form
    55,129.48/76,077.32 = 32,163.70/x
  3. Step 3: Cross multiply
    55,129.48x = 76,077.32 × 32,163.70
  4. Step 4: Simplify right side
    55,129.48x = 2,446,928,097.28
  5. Step 5: Solve for x
    x = 2,446,928,097.28/55,129.48
  6. Step 6: Final answer
    x = 44,385.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.