Home / 80,823.00-111,539.19-45,013

Finding the Fourth Proportional to 80,823.00, 111,539.19 and 45,013

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Solution

The fourth proportional to 80,823.00, 111,539.19 and 45,013 is: 62,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,823.00 : 111,539.19 = 45,013 : x
  2. Step 2: Convert to fraction form
    80,823.00/111,539.19 = 45,013/x
  3. Step 3: Cross multiply
    80,823.00x = 111,539.19 × 45,013
  4. Step 4: Simplify right side
    80,823.00x = 5,020,713,559.47
  5. Step 5: Solve for x
    x = 5,020,713,559.47/80,823.00
  6. Step 6: Final answer
    x = 62,119.87

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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.