Home / 88,629.19-122,309.79-50,387.87

Finding the Fourth Proportional to 88,629.19, 122,309.79 and 50,387.87

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Solution

The fourth proportional to 88,629.19, 122,309.79 and 50,387.87 is: 69,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.19 : 122,309.79 = 50,387.87 : x
  2. Step 2: Convert to fraction form
    88,629.19/122,309.79 = 50,387.87/x
  3. Step 3: Cross multiply
    88,629.19x = 122,309.79 × 50,387.87
  4. Step 4: Simplify right side
    88,629.19x = 6,162,929,798.25
  5. Step 5: Solve for x
    x = 6,162,929,798.25/88,629.19
  6. Step 6: Final answer
    x = 69,536.12

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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.