Home / 68,504.56-102,763.30-26,399.12

Finding the Fourth Proportional to 68,504.56, 102,763.30 and 26,399.12

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Solution

The fourth proportional to 68,504.56, 102,763.30 and 26,399.12 is: 39,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,504.56 : 102,763.30 = 26,399.12 : x
  2. Step 2: Convert to fraction form
    68,504.56/102,763.30 = 26,399.12/x
  3. Step 3: Cross multiply
    68,504.56x = 102,763.30 × 26,399.12
  4. Step 4: Simplify right side
    68,504.56x = 2,712,860,688.30
  5. Step 5: Solve for x
    x = 2,712,860,688.30/68,504.56
  6. Step 6: Final answer
    x = 39,601.17

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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.