Home / 55,162.40-82,694.04-53,489.24

Finding the Fourth Proportional to 55,162.40, 82,694.04 and 53,489.24

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Solution

The fourth proportional to 55,162.40, 82,694.04 and 53,489.24 is: 80,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.40 : 82,694.04 = 53,489.24 : x
  2. Step 2: Convert to fraction form
    55,162.40/82,694.04 = 53,489.24/x
  3. Step 3: Cross multiply
    55,162.40x = 82,694.04 × 53,489.24
  4. Step 4: Simplify right side
    55,162.40x = 4,423,241,352.13
  5. Step 5: Solve for x
    x = 4,423,241,352.13/55,162.40
  6. Step 6: Final answer
    x = 80,185.80

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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.