Home / 45,091.48-67,633.96-20,133.76

Finding the Fourth Proportional to 45,091.48, 67,633.96 and 20,133.76

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Solution

The fourth proportional to 45,091.48, 67,633.96 and 20,133.76 is: 30,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,091.48 : 67,633.96 = 20,133.76 : x
  2. Step 2: Convert to fraction form
    45,091.48/67,633.96 = 20,133.76/x
  3. Step 3: Cross multiply
    45,091.48x = 67,633.96 × 20,133.76
  4. Step 4: Simplify right side
    45,091.48x = 1,361,725,918.49
  5. Step 5: Solve for x
    x = 1,361,725,918.49/45,091.48
  6. Step 6: Final answer
    x = 30,199.18

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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.