Home / 45,070.92-67,608.09-13,481.46

Finding the Fourth Proportional to 45,070.92, 67,608.09 and 13,481.46

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Solution

The fourth proportional to 45,070.92, 67,608.09 and 13,481.46 is: 20,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.92 : 67,608.09 = 13,481.46 : x
  2. Step 2: Convert to fraction form
    45,070.92/67,608.09 = 13,481.46/x
  3. Step 3: Cross multiply
    45,070.92x = 67,608.09 × 13,481.46
  4. Step 4: Simplify right side
    45,070.92x = 911,455,761.01
  5. Step 5: Solve for x
    x = 911,455,761.01/45,070.92
  6. Step 6: Final answer
    x = 20,222.70

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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.