Home / 90,939.56-125,492.45-50,652.97

Finding the Fourth Proportional to 90,939.56, 125,492.45 and 50,652.97

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Solution

The fourth proportional to 90,939.56, 125,492.45 and 50,652.97 is: 69,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,939.56 : 125,492.45 = 50,652.97 : x
  2. Step 2: Convert to fraction form
    90,939.56/125,492.45 = 50,652.97/x
  3. Step 3: Cross multiply
    90,939.56x = 125,492.45 × 50,652.97
  4. Step 4: Simplify right side
    90,939.56x = 6,356,565,447.18
  5. Step 5: Solve for x
    x = 6,356,565,447.18/90,939.56
  6. Step 6: Final answer
    x = 69,898.79

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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.