Home / 90,935.92-125,391.27-62,260.30

Finding the Fourth Proportional to 90,935.92, 125,391.27 and 62,260.30

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Solution

The fourth proportional to 90,935.92, 125,391.27 and 62,260.30 is: 85,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,935.92 : 125,391.27 = 62,260.30 : x
  2. Step 2: Convert to fraction form
    90,935.92/125,391.27 = 62,260.30/x
  3. Step 3: Cross multiply
    90,935.92x = 125,391.27 × 62,260.30
  4. Step 4: Simplify right side
    90,935.92x = 7,806,898,087.58
  5. Step 5: Solve for x
    x = 7,806,898,087.58/90,935.92
  6. Step 6: Final answer
    x = 85,850.54

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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.