Home / 83,105.19-124,343.37-50,969.52

Finding the Fourth Proportional to 83,105.19, 124,343.37 and 50,969.52

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Solution

The fourth proportional to 83,105.19, 124,343.37 and 50,969.52 is: 76,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,105.19 : 124,343.37 = 50,969.52 : x
  2. Step 2: Convert to fraction form
    83,105.19/124,343.37 = 50,969.52/x
  3. Step 3: Cross multiply
    83,105.19x = 124,343.37 × 50,969.52
  4. Step 4: Simplify right side
    83,105.19x = 6,337,721,884.08
  5. Step 5: Solve for x
    x = 6,337,721,884.08/83,105.19
  6. Step 6: Final answer
    x = 76,261.45

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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.