Home / 76,449.83-114,577.74-43,188.59

Finding the Fourth Proportional to 76,449.83, 114,577.74 and 43,188.59

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Solution

The fourth proportional to 76,449.83, 114,577.74 and 43,188.59 is: 64,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,449.83 : 114,577.74 = 43,188.59 : x
  2. Step 2: Convert to fraction form
    76,449.83/114,577.74 = 43,188.59/x
  3. Step 3: Cross multiply
    76,449.83x = 114,577.74 × 43,188.59
  4. Step 4: Simplify right side
    76,449.83x = 4,948,451,322.43
  5. Step 5: Solve for x
    x = 4,948,451,322.43/76,449.83
  6. Step 6: Final answer
    x = 64,728.09

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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.