Home / 84,634.44-126,930.76-34,728.72

Finding the Fourth Proportional to 84,634.44, 126,930.76 and 34,728.72

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Solution

The fourth proportional to 84,634.44, 126,930.76 and 34,728.72 is: 52,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,634.44 : 126,930.76 = 34,728.72 : x
  2. Step 2: Convert to fraction form
    84,634.44/126,930.76 = 34,728.72/x
  3. Step 3: Cross multiply
    84,634.44x = 126,930.76 × 34,728.72
  4. Step 4: Simplify right side
    84,634.44x = 4,408,142,823.43
  5. Step 5: Solve for x
    x = 4,408,142,823.43/84,634.44
  6. Step 6: Final answer
    x = 52,084.50

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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.