Home / 89,440.49-123,400.94-53,617.43

Finding the Fourth Proportional to 89,440.49, 123,400.94 and 53,617.43

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Solution

The fourth proportional to 89,440.49, 123,400.94 and 53,617.43 is: 73,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.49 : 123,400.94 = 53,617.43 : x
  2. Step 2: Convert to fraction form
    89,440.49/123,400.94 = 53,617.43/x
  3. Step 3: Cross multiply
    89,440.49x = 123,400.94 × 53,617.43
  4. Step 4: Simplify right side
    89,440.49x = 6,616,441,302.80
  5. Step 5: Solve for x
    x = 6,616,441,302.80/89,440.49
  6. Step 6: Final answer
    x = 73,975.90

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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.