Home / 89,772.48-123,883.65-49,486.41

Finding the Fourth Proportional to 89,772.48, 123,883.65 and 49,486.41

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Solution

The fourth proportional to 89,772.48, 123,883.65 and 49,486.41 is: 68,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,772.48 : 123,883.65 = 49,486.41 : x
  2. Step 2: Convert to fraction form
    89,772.48/123,883.65 = 49,486.41/x
  3. Step 3: Cross multiply
    89,772.48x = 123,883.65 × 49,486.41
  4. Step 4: Simplify right side
    89,772.48x = 6,130,557,096.20
  5. Step 5: Solve for x
    x = 6,130,557,096.20/89,772.48
  6. Step 6: Final answer
    x = 68,289.94

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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.