Home / 89,976.64-134,951.13-30,006.17

Finding the Fourth Proportional to 89,976.64, 134,951.13 and 30,006.17

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Solution

The fourth proportional to 89,976.64, 134,951.13 and 30,006.17 is: 45,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,976.64 : 134,951.13 = 30,006.17 : x
  2. Step 2: Convert to fraction form
    89,976.64/134,951.13 = 30,006.17/x
  3. Step 3: Cross multiply
    89,976.64x = 134,951.13 × 30,006.17
  4. Step 4: Simplify right side
    89,976.64x = 4,049,365,723.69
  5. Step 5: Solve for x
    x = 4,049,365,723.69/89,976.64
  6. Step 6: Final answer
    x = 45,004.63

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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.