Home / 89,364.16-134,065.52-30,198.52

Finding the Fourth Proportional to 89,364.16, 134,065.52 and 30,198.52

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Solution

The fourth proportional to 89,364.16, 134,065.52 and 30,198.52 is: 45,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,364.16 : 134,065.52 = 30,198.52 : x
  2. Step 2: Convert to fraction form
    89,364.16/134,065.52 = 30,198.52/x
  3. Step 3: Cross multiply
    89,364.16x = 134,065.52 × 30,198.52
  4. Step 4: Simplify right side
    89,364.16x = 4,048,579,616.70
  5. Step 5: Solve for x
    x = 4,048,579,616.70/89,364.16
  6. Step 6: Final answer
    x = 45,304.29

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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.