Home / 76,659.39-114,989.10-34,490.22

Finding the Fourth Proportional to 76,659.39, 114,989.10 and 34,490.22

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Solution

The fourth proportional to 76,659.39, 114,989.10 and 34,490.22 is: 51,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,659.39 : 114,989.10 = 34,490.22 : x
  2. Step 2: Convert to fraction form
    76,659.39/114,989.10 = 34,490.22/x
  3. Step 3: Cross multiply
    76,659.39x = 114,989.10 × 34,490.22
  4. Step 4: Simplify right side
    76,659.39x = 3,965,999,356.60
  5. Step 5: Solve for x
    x = 3,965,999,356.60/76,659.39
  6. Step 6: Final answer
    x = 51,735.34

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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.