Home / 77,997.64-116,953.24-36,421.96

Finding the Fourth Proportional to 77,997.64, 116,953.24 and 36,421.96

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Solution

The fourth proportional to 77,997.64, 116,953.24 and 36,421.96 is: 54,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,997.64 : 116,953.24 = 36,421.96 : x
  2. Step 2: Convert to fraction form
    77,997.64/116,953.24 = 36,421.96/x
  3. Step 3: Cross multiply
    77,997.64x = 116,953.24 × 36,421.96
  4. Step 4: Simplify right side
    77,997.64x = 4,259,666,229.15
  5. Step 5: Solve for x
    x = 4,259,666,229.15/77,997.64
  6. Step 6: Final answer
    x = 54,612.76

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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.