Home / 79,499.24-109,708.62-43,690.76

Finding the Fourth Proportional to 79,499.24, 109,708.62 and 43,690.76

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Solution

The fourth proportional to 79,499.24, 109,708.62 and 43,690.76 is: 60,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,499.24 : 109,708.62 = 43,690.76 : x
  2. Step 2: Convert to fraction form
    79,499.24/109,708.62 = 43,690.76/x
  3. Step 3: Cross multiply
    79,499.24x = 109,708.62 × 43,690.76
  4. Step 4: Simplify right side
    79,499.24x = 4,793,252,437.81
  5. Step 5: Solve for x
    x = 4,793,252,437.81/79,499.24
  6. Step 6: Final answer
    x = 60,293.06

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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.