Home / 90,273.67-124,576.13-49,986.56

Finding the Fourth Proportional to 90,273.67, 124,576.13 and 49,986.56

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Solution

The fourth proportional to 90,273.67, 124,576.13 and 49,986.56 is: 68,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,273.67 : 124,576.13 = 49,986.56 : x
  2. Step 2: Convert to fraction form
    90,273.67/124,576.13 = 49,986.56/x
  3. Step 3: Cross multiply
    90,273.67x = 124,576.13 × 49,986.56
  4. Step 4: Simplify right side
    90,273.67x = 6,227,131,946.88
  5. Step 5: Solve for x
    x = 6,227,131,946.88/90,273.67
  6. Step 6: Final answer
    x = 68,980.60

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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.