Home / 89,359.92-123,316.80-49,076.28

Finding the Fourth Proportional to 89,359.92, 123,316.80 and 49,076.28

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Solution

The fourth proportional to 89,359.92, 123,316.80 and 49,076.28 is: 67,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,359.92 : 123,316.80 = 49,076.28 : x
  2. Step 2: Convert to fraction form
    89,359.92/123,316.80 = 49,076.28/x
  3. Step 3: Cross multiply
    89,359.92x = 123,316.80 × 49,076.28
  4. Step 4: Simplify right side
    89,359.92x = 6,051,929,805.50
  5. Step 5: Solve for x
    x = 6,051,929,805.50/89,359.92
  6. Step 6: Final answer
    x = 67,725.33

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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.