Home / 109,581.46-164,273.49-39,411.43

Finding the Fourth Proportional to 109,581.46, 164,273.49 and 39,411.43

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Solution

The fourth proportional to 109,581.46, 164,273.49 and 39,411.43 is: 59,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,581.46 : 164,273.49 = 39,411.43 : x
  2. Step 2: Convert to fraction form
    109,581.46/164,273.49 = 39,411.43/x
  3. Step 3: Cross multiply
    109,581.46x = 164,273.49 × 39,411.43
  4. Step 4: Simplify right side
    109,581.46x = 6,474,252,741.31
  5. Step 5: Solve for x
    x = 6,474,252,741.31/109,581.46
  6. Step 6: Final answer
    x = 59,081.64

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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.