Home / 76,311.98-114,338.37-36,887.66

Finding the Fourth Proportional to 76,311.98, 114,338.37 and 36,887.66

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Solution

The fourth proportional to 76,311.98, 114,338.37 and 36,887.66 is: 55,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,311.98 : 114,338.37 = 36,887.66 : x
  2. Step 2: Convert to fraction form
    76,311.98/114,338.37 = 36,887.66/x
  3. Step 3: Cross multiply
    76,311.98x = 114,338.37 × 36,887.66
  4. Step 4: Simplify right side
    76,311.98x = 4,217,674,917.51
  5. Step 5: Solve for x
    x = 4,217,674,917.51/76,311.98
  6. Step 6: Final answer
    x = 55,268.84

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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.