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Finding the Fourth Proportional to 68,023.30, 102,034.62 and 17,422.22

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Solution

The fourth proportional to 68,023.30, 102,034.62 and 17,422.22 is: 26,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,023.30 : 102,034.62 = 17,422.22 : x
  2. Step 2: Convert to fraction form
    68,023.30/102,034.62 = 17,422.22/x
  3. Step 3: Cross multiply
    68,023.30x = 102,034.62 × 17,422.22
  4. Step 4: Simplify right side
    68,023.30x = 1,777,669,852.34
  5. Step 5: Solve for x
    x = 1,777,669,852.34/68,023.30
  6. Step 6: Final answer
    x = 26,133.25

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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.