Home / 55,112.08-82,701.96-43,800.51

Finding the Fourth Proportional to 55,112.08, 82,701.96 and 43,800.51

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Solution

The fourth proportional to 55,112.08, 82,701.96 and 43,800.51 is: 65,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,112.08 : 82,701.96 = 43,800.51 : x
  2. Step 2: Convert to fraction form
    55,112.08/82,701.96 = 43,800.51/x
  3. Step 3: Cross multiply
    55,112.08x = 82,701.96 × 43,800.51
  4. Step 4: Simplify right side
    55,112.08x = 3,622,387,720.46
  5. Step 5: Solve for x
    x = 3,622,387,720.46/55,112.08
  6. Step 6: Final answer
    x = 65,727.65

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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.