Home / 90,272.70-124,576.44-49,436.64

Finding the Fourth Proportional to 90,272.70, 124,576.44 and 49,436.64

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Solution

The fourth proportional to 90,272.70, 124,576.44 and 49,436.64 is: 68,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,272.70 : 124,576.44 = 49,436.64 : x
  2. Step 2: Convert to fraction form
    90,272.70/124,576.44 = 49,436.64/x
  3. Step 3: Cross multiply
    90,272.70x = 124,576.44 × 49,436.64
  4. Step 4: Simplify right side
    90,272.70x = 6,158,640,616.76
  5. Step 5: Solve for x
    x = 6,158,640,616.76/90,272.70
  6. Step 6: Final answer
    x = 68,222.63

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1.5x scale

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.