Home / 89,458.08-123,451.86-49,174.35

Finding the Fourth Proportional to 89,458.08, 123,451.86 and 49,174.35

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Solution

The fourth proportional to 89,458.08, 123,451.86 and 49,174.35 is: 67,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,458.08 : 123,451.86 = 49,174.35 : x
  2. Step 2: Convert to fraction form
    89,458.08/123,451.86 = 49,174.35/x
  3. Step 3: Cross multiply
    89,458.08x = 123,451.86 × 49,174.35
  4. Step 4: Simplify right side
    89,458.08x = 6,070,664,971.79
  5. Step 5: Solve for x
    x = 6,070,664,971.79/89,458.08
  6. Step 6: Final answer
    x = 67,860.44

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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.