Home / 89,549.04-123,563.97-51,816

Finding the Fourth Proportional to 89,549.04, 123,563.97 and 51,816

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Solution

The fourth proportional to 89,549.04, 123,563.97 and 51,816 is: 71,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,549.04 : 123,563.97 = 51,816 : x
  2. Step 2: Convert to fraction form
    89,549.04/123,563.97 = 51,816/x
  3. Step 3: Cross multiply
    89,549.04x = 123,563.97 × 51,816
  4. Step 4: Simplify right side
    89,549.04x = 6,402,590,669.52
  5. Step 5: Solve for x
    x = 6,402,590,669.52/89,549.04
  6. Step 6: Final answer
    x = 71,498.15

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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.