Home / 89,594.05-123,639.81-49,307.80

Finding the Fourth Proportional to 89,594.05, 123,639.81 and 49,307.80

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Solution

The fourth proportional to 89,594.05, 123,639.81 and 49,307.80 is: 68,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,594.05 : 123,639.81 = 49,307.80 : x
  2. Step 2: Convert to fraction form
    89,594.05/123,639.81 = 49,307.80/x
  3. Step 3: Cross multiply
    89,594.05x = 123,639.81 × 49,307.80
  4. Step 4: Simplify right side
    89,594.05x = 6,096,407,023.52
  5. Step 5: Solve for x
    x = 6,096,407,023.52/89,594.05
  6. Step 6: Final answer
    x = 68,044.78

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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.