Home / 82,747.53-114,189.35-45,020.97

Finding the Fourth Proportional to 82,747.53, 114,189.35 and 45,020.97

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Solution

The fourth proportional to 82,747.53, 114,189.35 and 45,020.97 is: 62,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,747.53 : 114,189.35 = 45,020.97 : x
  2. Step 2: Convert to fraction form
    82,747.53/114,189.35 = 45,020.97/x
  3. Step 3: Cross multiply
    82,747.53x = 114,189.35 × 45,020.97
  4. Step 4: Simplify right side
    82,747.53x = 5,140,915,075.56
  5. Step 5: Solve for x
    x = 5,140,915,075.56/82,747.53
  6. Step 6: Final answer
    x = 62,127.72

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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.