Home / 68,442.03-102,666.69-21,698.55

Finding the Fourth Proportional to 68,442.03, 102,666.69 and 21,698.55

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Solution

The fourth proportional to 68,442.03, 102,666.69 and 21,698.55 is: 32,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,442.03 : 102,666.69 = 21,698.55 : x
  2. Step 2: Convert to fraction form
    68,442.03/102,666.69 = 21,698.55/x
  3. Step 3: Cross multiply
    68,442.03x = 102,666.69 × 21,698.55
  4. Step 4: Simplify right side
    68,442.03x = 2,227,718,306.30
  5. Step 5: Solve for x
    x = 2,227,718,306.30/68,442.03
  6. Step 6: Final answer
    x = 32,548.98

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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.