Home / 68,605.42-102,848.98-26,515.03

Finding the Fourth Proportional to 68,605.42, 102,848.98 and 26,515.03

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Solution

The fourth proportional to 68,605.42, 102,848.98 and 26,515.03 is: 39,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,605.42 : 102,848.98 = 26,515.03 : x
  2. Step 2: Convert to fraction form
    68,605.42/102,848.98 = 26,515.03/x
  3. Step 3: Cross multiply
    68,605.42x = 102,848.98 × 26,515.03
  4. Step 4: Simplify right side
    68,605.42x = 2,727,043,143.35
  5. Step 5: Solve for x
    x = 2,727,043,143.35/68,605.42
  6. Step 6: Final answer
    x = 39,749.68

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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.