Home / 90,883.37-125,400.00-52,640.58

Finding the Fourth Proportional to 90,883.37, 125,400.00 and 52,640.58

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Solution

The fourth proportional to 90,883.37, 125,400.00 and 52,640.58 is: 72,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,883.37 : 125,400.00 = 52,640.58 : x
  2. Step 2: Convert to fraction form
    90,883.37/125,400.00 = 52,640.58/x
  3. Step 3: Cross multiply
    90,883.37x = 125,400.00 × 52,640.58
  4. Step 4: Simplify right side
    90,883.37x = 6,601,129,103.55
  5. Step 5: Solve for x
    x = 6,601,129,103.55/90,883.37
  6. Step 6: Final answer
    x = 72,632.97

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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.