Home / 106,541.60-159,770.84-39,945.42

Finding the Fourth Proportional to 106,541.60, 159,770.84 and 39,945.42

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Solution

The fourth proportional to 106,541.60, 159,770.84 and 39,945.42 is: 59,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,541.60 : 159,770.84 = 39,945.42 : x
  2. Step 2: Convert to fraction form
    106,541.60/159,770.84 = 39,945.42/x
  3. Step 3: Cross multiply
    106,541.60x = 159,770.84 × 39,945.42
  4. Step 4: Simplify right side
    106,541.60x = 6,382,113,107.83
  5. Step 5: Solve for x
    x = 6,382,113,107.83/106,541.60
  6. Step 6: Final answer
    x = 59,902.55

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1.5x scale

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.