Home / 55,791.12-76,903.11-43,833.90

Finding the Fourth Proportional to 55,791.12, 76,903.11 and 43,833.90

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Solution

The fourth proportional to 55,791.12, 76,903.11 and 43,833.90 is: 60,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,791.12 : 76,903.11 = 43,833.90 : x
  2. Step 2: Convert to fraction form
    55,791.12/76,903.11 = 43,833.90/x
  3. Step 3: Cross multiply
    55,791.12x = 76,903.11 × 43,833.90
  4. Step 4: Simplify right side
    55,791.12x = 3,370,963,233.43
  5. Step 5: Solve for x
    x = 3,370,963,233.43/55,791.12
  6. Step 6: Final answer
    x = 60,421.14

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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.