Home / 68,723.67-103,101.63-21,336.34

Finding the Fourth Proportional to 68,723.67, 103,101.63 and 21,336.34

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Solution

The fourth proportional to 68,723.67, 103,101.63 and 21,336.34 is: 32,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723.67 : 103,101.63 = 21,336.34 : x
  2. Step 2: Convert to fraction form
    68,723.67/103,101.63 = 21,336.34/x
  3. Step 3: Cross multiply
    68,723.67x = 103,101.63 × 21,336.34
  4. Step 4: Simplify right side
    68,723.67x = 2,199,811,432.23
  5. Step 5: Solve for x
    x = 2,199,811,432.23/68,723.67
  6. Step 6: Final answer
    x = 32,009.52

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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.