Home / 89,327.79-123,272.69-49,045.68

Finding the Fourth Proportional to 89,327.79, 123,272.69 and 49,045.68

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Solution

The fourth proportional to 89,327.79, 123,272.69 and 49,045.68 is: 67,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,327.79 : 123,272.69 = 49,045.68 : x
  2. Step 2: Convert to fraction form
    89,327.79/123,272.69 = 49,045.68/x
  3. Step 3: Cross multiply
    89,327.79x = 123,272.69 × 49,045.68
  4. Step 4: Simplify right side
    89,327.79x = 6,045,992,906.48
  5. Step 5: Solve for x
    x = 6,045,992,906.48/89,327.79
  6. Step 6: Final answer
    x = 67,683.22

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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.