Home / 76,238.64-114,311.65-34,110.87

Finding the Fourth Proportional to 76,238.64, 114,311.65 and 34,110.87

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Solution

The fourth proportional to 76,238.64, 114,311.65 and 34,110.87 is: 51,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,238.64 : 114,311.65 = 34,110.87 : x
  2. Step 2: Convert to fraction form
    76,238.64/114,311.65 = 34,110.87/x
  3. Step 3: Cross multiply
    76,238.64x = 114,311.65 × 34,110.87
  4. Step 4: Simplify right side
    76,238.64x = 3,899,269,832.64
  5. Step 5: Solve for x
    x = 3,899,269,832.64/76,238.64
  6. Step 6: Final answer
    x = 51,145.58

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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.