Home / 89,857.80-123,963.64-52,110.16

Finding the Fourth Proportional to 89,857.80, 123,963.64 and 52,110.16

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Solution

The fourth proportional to 89,857.80, 123,963.64 and 52,110.16 is: 71,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,857.80 : 123,963.64 = 52,110.16 : x
  2. Step 2: Convert to fraction form
    89,857.80/123,963.64 = 52,110.16/x
  3. Step 3: Cross multiply
    89,857.80x = 123,963.64 × 52,110.16
  4. Step 4: Simplify right side
    89,857.80x = 6,459,765,114.58
  5. Step 5: Solve for x
    x = 6,459,765,114.58/89,857.80
  6. Step 6: Final answer
    x = 71,888.75

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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.