Home / 89,923.62-134,872.64-36,638.85

Finding the Fourth Proportional to 89,923.62, 134,872.64 and 36,638.85

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Solution

The fourth proportional to 89,923.62, 134,872.64 and 36,638.85 is: 54,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,923.62 : 134,872.64 = 36,638.85 : x
  2. Step 2: Convert to fraction form
    89,923.62/134,872.64 = 36,638.85/x
  3. Step 3: Cross multiply
    89,923.62x = 134,872.64 × 36,638.85
  4. Step 4: Simplify right side
    89,923.62x = 4,941,578,242.87
  5. Step 5: Solve for x
    x = 4,941,578,242.87/89,923.62
  6. Step 6: Final answer
    x = 54,953.06

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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.