Home / 109,403.46-164,170.19-47,073.96

Finding the Fourth Proportional to 109,403.46, 164,170.19 and 47,073.96

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Solution

The fourth proportional to 109,403.46, 164,170.19 and 47,073.96 is: 70,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,403.46 : 164,170.19 = 47,073.96 : x
  2. Step 2: Convert to fraction form
    109,403.46/164,170.19 = 47,073.96/x
  3. Step 3: Cross multiply
    109,403.46x = 164,170.19 × 47,073.96
  4. Step 4: Simplify right side
    109,403.46x = 7,728,141,074.94
  5. Step 5: Solve for x
    x = 7,728,141,074.94/109,403.46
  6. Step 6: Final answer
    x = 70,638.91

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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.