Home / 90,588.20-125,023.23-54,778.46

Finding the Fourth Proportional to 90,588.20, 125,023.23 and 54,778.46

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Solution

The fourth proportional to 90,588.20, 125,023.23 and 54,778.46 is: 75,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,588.20 : 125,023.23 = 54,778.46 : x
  2. Step 2: Convert to fraction form
    90,588.20/125,023.23 = 54,778.46/x
  3. Step 3: Cross multiply
    90,588.20x = 125,023.23 × 54,778.46
  4. Step 4: Simplify right side
    90,588.20x = 6,848,579,378.51
  5. Step 5: Solve for x
    x = 6,848,579,378.51/90,588.20
  6. Step 6: Final answer
    x = 75,601.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.