Home / 73,110.33-109,643.18-30,989.63

Finding the Fourth Proportional to 73,110.33, 109,643.18 and 30,989.63

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Solution

The fourth proportional to 73,110.33, 109,643.18 and 30,989.63 is: 46,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,110.33 : 109,643.18 = 30,989.63 : x
  2. Step 2: Convert to fraction form
    73,110.33/109,643.18 = 30,989.63/x
  3. Step 3: Cross multiply
    73,110.33x = 109,643.18 × 30,989.63
  4. Step 4: Simplify right side
    73,110.33x = 3,397,800,877.06
  5. Step 5: Solve for x
    x = 3,397,800,877.06/73,110.33
  6. Step 6: Final answer
    x = 46,474.97

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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.