Home / 89,794.74-123,924.12-49,516.40

Finding the Fourth Proportional to 89,794.74, 123,924.12 and 49,516.40

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Solution

The fourth proportional to 89,794.74, 123,924.12 and 49,516.40 is: 68,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,794.74 : 123,924.12 = 49,516.40 : x
  2. Step 2: Convert to fraction form
    89,794.74/123,924.12 = 49,516.40/x
  3. Step 3: Cross multiply
    89,794.74x = 123,924.12 × 49,516.40
  4. Step 4: Simplify right side
    89,794.74x = 6,136,276,295.57
  5. Step 5: Solve for x
    x = 6,136,276,295.57/89,794.74
  6. Step 6: Final answer
    x = 68,336.70

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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.