Home / 113,743.74-170,635.86-38,872.20

Finding the Fourth Proportional to 113,743.74, 170,635.86 and 38,872.20

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Solution

The fourth proportional to 113,743.74, 170,635.86 and 38,872.20 is: 58,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,743.74 : 170,635.86 = 38,872.20 : x
  2. Step 2: Convert to fraction form
    113,743.74/170,635.86 = 38,872.20/x
  3. Step 3: Cross multiply
    113,743.74x = 170,635.86 × 38,872.20
  4. Step 4: Simplify right side
    113,743.74x = 6,632,991,277.09
  5. Step 5: Solve for x
    x = 6,632,991,277.09/113,743.74
  6. Step 6: Final answer
    x = 58,315.22

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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.