Home / 89,328.66-123,273.78-49,045.02

Finding the Fourth Proportional to 89,328.66, 123,273.78 and 49,045.02

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Solution

The fourth proportional to 89,328.66, 123,273.78 and 49,045.02 is: 67,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,328.66 : 123,273.78 = 49,045.02 : x
  2. Step 2: Convert to fraction form
    89,328.66/123,273.78 = 49,045.02/x
  3. Step 3: Cross multiply
    89,328.66x = 123,273.78 × 49,045.02
  4. Step 4: Simplify right side
    89,328.66x = 6,045,965,005.58
  5. Step 5: Solve for x
    x = 6,045,965,005.58/89,328.66
  6. Step 6: Final answer
    x = 67,682.25

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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.