Home / 90,960.70-125,529.24-52,721.50

Finding the Fourth Proportional to 90,960.70, 125,529.24 and 52,721.50

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Solution

The fourth proportional to 90,960.70, 125,529.24 and 52,721.50 is: 72,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,960.70 : 125,529.24 = 52,721.50 : x
  2. Step 2: Convert to fraction form
    90,960.70/125,529.24 = 52,721.50/x
  3. Step 3: Cross multiply
    90,960.70x = 125,529.24 × 52,721.50
  4. Step 4: Simplify right side
    90,960.70x = 6,618,089,826.66
  5. Step 5: Solve for x
    x = 6,618,089,826.66/90,960.70
  6. Step 6: Final answer
    x = 72,757.68

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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.