Home / 81,913.33-122,856.27-22,754.98

Finding the Fourth Proportional to 81,913.33, 122,856.27 and 22,754.98

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Solution

The fourth proportional to 81,913.33, 122,856.27 and 22,754.98 is: 34,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,913.33 : 122,856.27 = 22,754.98 : x
  2. Step 2: Convert to fraction form
    81,913.33/122,856.27 = 22,754.98/x
  3. Step 3: Cross multiply
    81,913.33x = 122,856.27 × 22,754.98
  4. Step 4: Simplify right side
    81,913.33x = 2,795,591,966.72
  5. Step 5: Solve for x
    x = 2,795,591,966.72/81,913.33
  6. Step 6: Final answer
    x = 34,128.66

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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.