Home / 55,072.26-82,562.76-45,686.34

Finding the Fourth Proportional to 55,072.26, 82,562.76 and 45,686.34

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Solution

The fourth proportional to 55,072.26, 82,562.76 and 45,686.34 is: 68,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,072.26 : 82,562.76 = 45,686.34 : x
  2. Step 2: Convert to fraction form
    55,072.26/82,562.76 = 45,686.34/x
  3. Step 3: Cross multiply
    55,072.26x = 82,562.76 × 45,686.34
  4. Step 4: Simplify right side
    55,072.26x = 3,771,990,324.70
  5. Step 5: Solve for x
    x = 3,771,990,324.70/55,072.26
  6. Step 6: Final answer
    x = 68,491.66

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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.