Home / 89,578.19-123,612.93-49,285.41

Finding the Fourth Proportional to 89,578.19, 123,612.93 and 49,285.41

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Solution

The fourth proportional to 89,578.19, 123,612.93 and 49,285.41 is: 68,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578.19 : 123,612.93 = 49,285.41 : x
  2. Step 2: Convert to fraction form
    89,578.19/123,612.93 = 49,285.41/x
  3. Step 3: Cross multiply
    89,578.19x = 123,612.93 × 49,285.41
  4. Step 4: Simplify right side
    89,578.19x = 6,092,313,936.35
  5. Step 5: Solve for x
    x = 6,092,313,936.35/89,578.19
  6. Step 6: Final answer
    x = 68,011.13

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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.