Home / 89,278.90-123,206.17-48,991.94

Finding the Fourth Proportional to 89,278.90, 123,206.17 and 48,991.94

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Solution

The fourth proportional to 89,278.90, 123,206.17 and 48,991.94 is: 67,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.90 : 123,206.17 = 48,991.94 : x
  2. Step 2: Convert to fraction form
    89,278.90/123,206.17 = 48,991.94/x
  3. Step 3: Cross multiply
    89,278.90x = 123,206.17 × 48,991.94
  4. Step 4: Simplify right side
    89,278.90x = 6,036,109,288.27
  5. Step 5: Solve for x
    x = 6,036,109,288.27/89,278.90
  6. Step 6: Final answer
    x = 67,609.58

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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.