Home / 68,220.68-94,143.12-38,005.96

Finding the Fourth Proportional to 68,220.68, 94,143.12 and 38,005.96

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Solution

The fourth proportional to 68,220.68, 94,143.12 and 38,005.96 is: 52,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,220.68 : 94,143.12 = 38,005.96 : x
  2. Step 2: Convert to fraction form
    68,220.68/94,143.12 = 38,005.96/x
  3. Step 3: Cross multiply
    68,220.68x = 94,143.12 × 38,005.96
  4. Step 4: Simplify right side
    68,220.68x = 3,577,999,653.00
  5. Step 5: Solve for x
    x = 3,577,999,653.00/68,220.68
  6. Step 6: Final answer
    x = 52,447.43

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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.