Home / 89,764.57-123,869.47-49,476.11

Finding the Fourth Proportional to 89,764.57, 123,869.47 and 49,476.11

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Solution

The fourth proportional to 89,764.57, 123,869.47 and 49,476.11 is: 68,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,764.57 : 123,869.47 = 49,476.11 : x
  2. Step 2: Convert to fraction form
    89,764.57/123,869.47 = 49,476.11/x
  3. Step 3: Cross multiply
    89,764.57x = 123,869.47 × 49,476.11
  4. Step 4: Simplify right side
    89,764.57x = 6,128,579,275.98
  5. Step 5: Solve for x
    x = 6,128,579,275.98/89,764.57
  6. Step 6: Final answer
    x = 68,273.93

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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.