Home / 76,744.10-115,141.77-34,043.64

Finding the Fourth Proportional to 76,744.10, 115,141.77 and 34,043.64

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Solution

The fourth proportional to 76,744.10, 115,141.77 and 34,043.64 is: 51,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,744.10 : 115,141.77 = 34,043.64 : x
  2. Step 2: Convert to fraction form
    76,744.10/115,141.77 = 34,043.64/x
  3. Step 3: Cross multiply
    76,744.10x = 115,141.77 × 34,043.64
  4. Step 4: Simplify right side
    76,744.10x = 3,919,845,094.51
  5. Step 5: Solve for x
    x = 3,919,845,094.51/76,744.10
  6. Step 6: Final answer
    x = 51,076.83

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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.