Home / 89,206.08-123,109.92-49,462.08

Finding the Fourth Proportional to 89,206.08, 123,109.92 and 49,462.08

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Solution

The fourth proportional to 89,206.08, 123,109.92 and 49,462.08 is: 68,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.08 : 123,109.92 = 49,462.08 : x
  2. Step 2: Convert to fraction form
    89,206.08/123,109.92 = 49,462.08/x
  3. Step 3: Cross multiply
    89,206.08x = 123,109.92 × 49,462.08
  4. Step 4: Simplify right side
    89,206.08x = 6,089,272,711.83
  5. Step 5: Solve for x
    x = 6,089,272,711.83/89,206.08
  6. Step 6: Final answer
    x = 68,260.74

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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.