Home / 90,091.37-124,326.07-49,255.64

Finding the Fourth Proportional to 90,091.37, 124,326.07 and 49,255.64

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Solution

The fourth proportional to 90,091.37, 124,326.07 and 49,255.64 is: 67,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,091.37 : 124,326.07 = 49,255.64 : x
  2. Step 2: Convert to fraction form
    90,091.37/124,326.07 = 49,255.64/x
  3. Step 3: Cross multiply
    90,091.37x = 124,326.07 × 49,255.64
  4. Step 4: Simplify right side
    90,091.37x = 6,123,760,146.53
  5. Step 5: Solve for x
    x = 6,123,760,146.53/90,091.37
  6. Step 6: Final answer
    x = 67,972.77

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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.