Home / 68,026.30-102,004.45-30,554.21

Finding the Fourth Proportional to 68,026.30, 102,004.45 and 30,554.21

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Solution

The fourth proportional to 68,026.30, 102,004.45 and 30,554.21 is: 45,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,026.30 : 102,004.45 = 30,554.21 : x
  2. Step 2: Convert to fraction form
    68,026.30/102,004.45 = 30,554.21/x
  3. Step 3: Cross multiply
    68,026.30x = 102,004.45 × 30,554.21
  4. Step 4: Simplify right side
    68,026.30x = 3,116,665,386.23
  5. Step 5: Solve for x
    x = 3,116,665,386.23/68,026.30
  6. Step 6: Final answer
    x = 45,815.59

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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.