Home / 68,350.46-102,525.06-21,603.36

Finding the Fourth Proportional to 68,350.46, 102,525.06 and 21,603.36

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Solution

The fourth proportional to 68,350.46, 102,525.06 and 21,603.36 is: 32,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,350.46 : 102,525.06 = 21,603.36 : x
  2. Step 2: Convert to fraction form
    68,350.46/102,525.06 = 21,603.36/x
  3. Step 3: Cross multiply
    68,350.46x = 102,525.06 × 21,603.36
  4. Step 4: Simplify right side
    68,350.46x = 2,214,885,780.20
  5. Step 5: Solve for x
    x = 2,214,885,780.20/68,350.46
  6. Step 6: Final answer
    x = 32,404.84

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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.