Home / 75,676.33-104,429.35-43,409.32

Finding the Fourth Proportional to 75,676.33, 104,429.35 and 43,409.32

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Solution

The fourth proportional to 75,676.33, 104,429.35 and 43,409.32 is: 59,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,676.33 : 104,429.35 = 43,409.32 : x
  2. Step 2: Convert to fraction form
    75,676.33/104,429.35 = 43,409.32/x
  3. Step 3: Cross multiply
    75,676.33x = 104,429.35 × 43,409.32
  4. Step 4: Simplify right side
    75,676.33x = 4,533,206,864.73
  5. Step 5: Solve for x
    x = 4,533,206,864.73/75,676.33
  6. Step 6: Final answer
    x = 59,902.58

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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.