Home / 80,735.40-121,129.03-24,586.37

Finding the Fourth Proportional to 80,735.40, 121,129.03 and 24,586.37

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Solution

The fourth proportional to 80,735.40, 121,129.03 and 24,586.37 is: 36,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,735.40 : 121,129.03 = 24,586.37 : x
  2. Step 2: Convert to fraction form
    80,735.40/121,129.03 = 24,586.37/x
  3. Step 3: Cross multiply
    80,735.40x = 121,129.03 × 24,586.37
  4. Step 4: Simplify right side
    80,735.40x = 2,978,123,149.32
  5. Step 5: Solve for x
    x = 2,978,123,149.32/80,735.40
  6. Step 6: Final answer
    x = 36,887.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.