Home / 67,181.61-100,811.36-33,904.28

Finding the Fourth Proportional to 67,181.61, 100,811.36 and 33,904.28

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Solution

The fourth proportional to 67,181.61, 100,811.36 and 33,904.28 is: 50,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,181.61 : 100,811.36 = 33,904.28 : x
  2. Step 2: Convert to fraction form
    67,181.61/100,811.36 = 33,904.28/x
  3. Step 3: Cross multiply
    67,181.61x = 100,811.36 × 33,904.28
  4. Step 4: Simplify right side
    67,181.61x = 3,417,935,903.04
  5. Step 5: Solve for x
    x = 3,417,935,903.04/67,181.61
  6. Step 6: Final answer
    x = 50,876.06

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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.