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Finding the Fourth Proportional to 67,999.30, 101,998.95 and 26,419.30

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Solution

The fourth proportional to 67,999.30, 101,998.95 and 26,419.30 is: 39,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999.30 : 101,998.95 = 26,419.30 : x
  2. Step 2: Convert to fraction form
    67,999.30/101,998.95 = 26,419.30/x
  3. Step 3: Cross multiply
    67,999.30x = 101,998.95 × 26,419.30
  4. Step 4: Simplify right side
    67,999.30x = 2,694,740,859.74
  5. Step 5: Solve for x
    x = 2,694,740,859.74/67,999.30
  6. Step 6: Final answer
    x = 39,628.95

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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.