Home / 88,687.26-122,388.64-50,445.95

Finding the Fourth Proportional to 88,687.26, 122,388.64 and 50,445.95

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Solution

The fourth proportional to 88,687.26, 122,388.64 and 50,445.95 is: 69,615.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.26 : 122,388.64 = 50,445.95 : x
  2. Step 2: Convert to fraction form
    88,687.26/122,388.64 = 50,445.95/x
  3. Step 3: Cross multiply
    88,687.26x = 122,388.64 × 50,445.95
  4. Step 4: Simplify right side
    88,687.26x = 6,174,010,475.95
  5. Step 5: Solve for x
    x = 6,174,010,475.95/88,687.26
  6. Step 6: Final answer
    x = 69,615.53

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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.