Home / 78,944.66-108,941.21-43,134.62

Finding the Fourth Proportional to 78,944.66, 108,941.21 and 43,134.62

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Solution

The fourth proportional to 78,944.66, 108,941.21 and 43,134.62 is: 59,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,944.66 : 108,941.21 = 43,134.62 : x
  2. Step 2: Convert to fraction form
    78,944.66/108,941.21 = 43,134.62/x
  3. Step 3: Cross multiply
    78,944.66x = 108,941.21 × 43,134.62
  4. Step 4: Simplify right side
    78,944.66x = 4,699,137,709.86
  5. Step 5: Solve for x
    x = 4,699,137,709.86/78,944.66
  6. Step 6: Final answer
    x = 59,524.45

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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.