Home / 45,081.68-62,192-29,171.36

Finding the Fourth Proportional to 45,081.68, 62,192 and 29,171.36

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Solution

The fourth proportional to 45,081.68, 62,192 and 29,171.36 is: 40,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,081.68 : 62,192 = 29,171.36 : x
  2. Step 2: Convert to fraction form
    45,081.68/62,192 = 29,171.36/x
  3. Step 3: Cross multiply
    45,081.68x = 62,192 × 29,171.36
  4. Step 4: Simplify right side
    45,081.68x = 1,814,225,221.12
  5. Step 5: Solve for x
    x = 1,814,225,221.12/45,081.68
  6. Step 6: Final answer
    x = 40,243.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.