Home / 75,216.24-103,796.64-43,383.36

Finding the Fourth Proportional to 75,216.24, 103,796.64 and 43,383.36

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Solution

The fourth proportional to 75,216.24, 103,796.64 and 43,383.36 is: 59,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,216.24 : 103,796.64 = 43,383.36 : x
  2. Step 2: Convert to fraction form
    75,216.24/103,796.64 = 43,383.36/x
  3. Step 3: Cross multiply
    75,216.24x = 103,796.64 × 43,383.36
  4. Step 4: Simplify right side
    75,216.24x = 4,503,046,999.91
  5. Step 5: Solve for x
    x = 4,503,046,999.91/75,216.24
  6. Step 6: Final answer
    x = 59,868.02

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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.