Home / 67,008.12-100,496.83-39,998.09

Finding the Fourth Proportional to 67,008.12, 100,496.83 and 39,998.09

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Solution

The fourth proportional to 67,008.12, 100,496.83 and 39,998.09 is: 59,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,008.12 : 100,496.83 = 39,998.09 : x
  2. Step 2: Convert to fraction form
    67,008.12/100,496.83 = 39,998.09/x
  3. Step 3: Cross multiply
    67,008.12x = 100,496.83 × 39,998.09
  4. Step 4: Simplify right side
    67,008.12x = 4,019,680,799.51
  5. Step 5: Solve for x
    x = 4,019,680,799.51/67,008.12
  6. Step 6: Final answer
    x = 59,987.97

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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.