Home / 84,550.29-126,765.36-42,399.96

Finding the Fourth Proportional to 84,550.29, 126,765.36 and 42,399.96

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Solution

The fourth proportional to 84,550.29, 126,765.36 and 42,399.96 is: 63,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,550.29 : 126,765.36 = 42,399.96 : x
  2. Step 2: Convert to fraction form
    84,550.29/126,765.36 = 42,399.96/x
  3. Step 3: Cross multiply
    84,550.29x = 126,765.36 × 42,399.96
  4. Step 4: Simplify right side
    84,550.29x = 5,374,846,193.39
  5. Step 5: Solve for x
    x = 5,374,846,193.39/84,550.29
  6. Step 6: Final answer
    x = 63,569.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.