Home / 102,049.41-140,770.66-61,202.67

Finding the Fourth Proportional to 102,049.41, 140,770.66 and 61,202.67

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Solution

The fourth proportional to 102,049.41, 140,770.66 and 61,202.67 is: 84,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,049.41 : 140,770.66 = 61,202.67 : x
  2. Step 2: Convert to fraction form
    102,049.41/140,770.66 = 61,202.67/x
  3. Step 3: Cross multiply
    102,049.41x = 140,770.66 × 61,202.67
  4. Step 4: Simplify right side
    102,049.41x = 8,615,540,249.66
  5. Step 5: Solve for x
    x = 8,615,540,249.66/102,049.41
  6. Step 6: Final answer
    x = 84,425.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.