Home / 89,004.15-122,825.64-48,717.56

Finding the Fourth Proportional to 89,004.15, 122,825.64 and 48,717.56

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Solution

The fourth proportional to 89,004.15, 122,825.64 and 48,717.56 is: 67,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,004.15 : 122,825.64 = 48,717.56 : x
  2. Step 2: Convert to fraction form
    89,004.15/122,825.64 = 48,717.56/x
  3. Step 3: Cross multiply
    89,004.15x = 122,825.64 × 48,717.56
  4. Step 4: Simplify right side
    89,004.15x = 5,983,764,872.11
  5. Step 5: Solve for x
    x = 5,983,764,872.11/89,004.15
  6. Step 6: Final answer
    x = 67,230.18

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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.