Home / 84,410.22-126,436.68-54,739.92

Finding the Fourth Proportional to 84,410.22, 126,436.68 and 54,739.92

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Solution

The fourth proportional to 84,410.22, 126,436.68 and 54,739.92 is: 81,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,410.22 : 126,436.68 = 54,739.92 : x
  2. Step 2: Convert to fraction form
    84,410.22/126,436.68 = 54,739.92/x
  3. Step 3: Cross multiply
    84,410.22x = 126,436.68 × 54,739.92
  4. Step 4: Simplify right side
    84,410.22x = 6,921,133,748.27
  5. Step 5: Solve for x
    x = 6,921,133,748.27/84,410.22
  6. Step 6: Final answer
    x = 81,994.03

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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.