Home / 89,379.87-123,345.23-49,094.57

Finding the Fourth Proportional to 89,379.87, 123,345.23 and 49,094.57

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Solution

The fourth proportional to 89,379.87, 123,345.23 and 49,094.57 is: 67,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,379.87 : 123,345.23 = 49,094.57 : x
  2. Step 2: Convert to fraction form
    89,379.87/123,345.23 = 49,094.57/x
  3. Step 3: Cross multiply
    89,379.87x = 123,345.23 × 49,094.57
  4. Step 4: Simplify right side
    89,379.87x = 6,055,580,166.20
  5. Step 5: Solve for x
    x = 6,055,580,166.20/89,379.87
  6. Step 6: Final answer
    x = 67,751.05

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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.