Home / 99,736.03-137,632.73-54,414.91

Finding the Fourth Proportional to 99,736.03, 137,632.73 and 54,414.91

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Solution

The fourth proportional to 99,736.03, 137,632.73 and 54,414.91 is: 75,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,736.03 : 137,632.73 = 54,414.91 : x
  2. Step 2: Convert to fraction form
    99,736.03/137,632.73 = 54,414.91/x
  3. Step 3: Cross multiply
    99,736.03x = 137,632.73 × 54,414.91
  4. Step 4: Simplify right side
    99,736.03x = 7,489,272,616.00
  5. Step 5: Solve for x
    x = 7,489,272,616.00/99,736.03
  6. Step 6: Final answer
    x = 75,090.94

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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.