Home / 68,486.26-102,756.64-26,355.03

Finding the Fourth Proportional to 68,486.26, 102,756.64 and 26,355.03

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Solution

The fourth proportional to 68,486.26, 102,756.64 and 26,355.03 is: 39,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,486.26 : 102,756.64 = 26,355.03 : x
  2. Step 2: Convert to fraction form
    68,486.26/102,756.64 = 26,355.03/x
  3. Step 3: Cross multiply
    68,486.26x = 102,756.64 × 26,355.03
  4. Step 4: Simplify right side
    68,486.26x = 2,708,154,724.72
  5. Step 5: Solve for x
    x = 2,708,154,724.72/68,486.26
  6. Step 6: Final answer
    x = 39,543.04

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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.