Home / 68,288.88-102,363.12-26,159.04

Finding the Fourth Proportional to 68,288.88, 102,363.12 and 26,159.04

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Solution

The fourth proportional to 68,288.88, 102,363.12 and 26,159.04 is: 39,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.88 : 102,363.12 = 26,159.04 : x
  2. Step 2: Convert to fraction form
    68,288.88/102,363.12 = 26,159.04/x
  3. Step 3: Cross multiply
    68,288.88x = 102,363.12 × 26,159.04
  4. Step 4: Simplify right side
    68,288.88x = 2,677,720,950.60
  5. Step 5: Solve for x
    x = 2,677,720,950.60/68,288.88
  6. Step 6: Final answer
    x = 39,211.67

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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.