Home / 89,490.65-123,493.77-49,202.01

Finding the Fourth Proportional to 89,490.65, 123,493.77 and 49,202.01

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Solution

The fourth proportional to 89,490.65, 123,493.77 and 49,202.01 is: 67,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490.65 : 123,493.77 = 49,202.01 : x
  2. Step 2: Convert to fraction form
    89,490.65/123,493.77 = 49,202.01/x
  3. Step 3: Cross multiply
    89,490.65x = 123,493.77 × 49,202.01
  4. Step 4: Simplify right side
    89,490.65x = 6,076,141,706.48
  5. Step 5: Solve for x
    x = 6,076,141,706.48/89,490.65
  6. Step 6: Final answer
    x = 67,896.95

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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.