Home / 76,076.36-114,124.92-31,692.73

Finding the Fourth Proportional to 76,076.36, 114,124.92 and 31,692.73

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Solution

The fourth proportional to 76,076.36, 114,124.92 and 31,692.73 is: 47,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,076.36 : 114,124.92 = 31,692.73 : x
  2. Step 2: Convert to fraction form
    76,076.36/114,124.92 = 31,692.73/x
  3. Step 3: Cross multiply
    76,076.36x = 114,124.92 × 31,692.73
  4. Step 4: Simplify right side
    76,076.36x = 3,616,930,275.83
  5. Step 5: Solve for x
    x = 3,616,930,275.83/76,076.36
  6. Step 6: Final answer
    x = 47,543.42

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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.