Home / 80,647.24-120,970.88-43,944.52

Finding the Fourth Proportional to 80,647.24, 120,970.88 and 43,944.52

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Solution

The fourth proportional to 80,647.24, 120,970.88 and 43,944.52 is: 65,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,647.24 : 120,970.88 = 43,944.52 : x
  2. Step 2: Convert to fraction form
    80,647.24/120,970.88 = 43,944.52/x
  3. Step 3: Cross multiply
    80,647.24x = 120,970.88 × 43,944.52
  4. Step 4: Simplify right side
    80,647.24x = 5,316,007,255.58
  5. Step 5: Solve for x
    x = 5,316,007,255.58/80,647.24
  6. Step 6: Final answer
    x = 65,916.79

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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.