Home / 113,744.12-170,636.42-38,872.58

Finding the Fourth Proportional to 113,744.12, 170,636.42 and 38,872.58

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Solution

The fourth proportional to 113,744.12, 170,636.42 and 38,872.58 is: 58,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,744.12 : 170,636.42 = 38,872.58 : x
  2. Step 2: Convert to fraction form
    113,744.12/170,636.42 = 38,872.58/x
  3. Step 3: Cross multiply
    113,744.12x = 170,636.42 × 38,872.58
  4. Step 4: Simplify right side
    113,744.12x = 6,633,077,131.36
  5. Step 5: Solve for x
    x = 6,633,077,131.36/113,744.12
  6. Step 6: Final answer
    x = 58,315.78

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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.