Home / 89,531.61-123,551.01-49,245.36

Finding the Fourth Proportional to 89,531.61, 123,551.01 and 49,245.36

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Solution

The fourth proportional to 89,531.61, 123,551.01 and 49,245.36 is: 67,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,531.61 : 123,551.01 = 49,245.36 : x
  2. Step 2: Convert to fraction form
    89,531.61/123,551.01 = 49,245.36/x
  3. Step 3: Cross multiply
    89,531.61x = 123,551.01 × 49,245.36
  4. Step 4: Simplify right side
    89,531.61x = 6,084,313,858.18
  5. Step 5: Solve for x
    x = 6,084,313,858.18/89,531.61
  6. Step 6: Final answer
    x = 67,957.16

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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.