Home / 90,274.06-124,576.67-49,986.96

Finding the Fourth Proportional to 90,274.06, 124,576.67 and 49,986.96

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Solution

The fourth proportional to 90,274.06, 124,576.67 and 49,986.96 is: 68,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274.06 : 124,576.67 = 49,986.96 : x
  2. Step 2: Convert to fraction form
    90,274.06/124,576.67 = 49,986.96/x
  3. Step 3: Cross multiply
    90,274.06x = 124,576.67 × 49,986.96
  4. Step 4: Simplify right side
    90,274.06x = 6,227,208,396.85
  5. Step 5: Solve for x
    x = 6,227,208,396.85/90,274.06
  6. Step 6: Final answer
    x = 68,981.15

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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.