Home / 88,608.31-122,288.95-54,173.24

Finding the Fourth Proportional to 88,608.31, 122,288.95 and 54,173.24

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Solution

The fourth proportional to 88,608.31, 122,288.95 and 54,173.24 is: 74,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,608.31 : 122,288.95 = 54,173.24 : x
  2. Step 2: Convert to fraction form
    88,608.31/122,288.95 = 54,173.24/x
  3. Step 3: Cross multiply
    88,608.31x = 122,288.95 × 54,173.24
  4. Step 4: Simplify right side
    88,608.31x = 6,624,789,240.43
  5. Step 5: Solve for x
    x = 6,624,789,240.43/88,608.31
  6. Step 6: Final answer
    x = 74,764.88

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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.