Home / 68,386.45-102,569.41-21,633.25

Finding the Fourth Proportional to 68,386.45, 102,569.41 and 21,633.25

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Solution

The fourth proportional to 68,386.45, 102,569.41 and 21,633.25 is: 32,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.45 : 102,569.41 = 21,633.25 : x
  2. Step 2: Convert to fraction form
    68,386.45/102,569.41 = 21,633.25/x
  3. Step 3: Cross multiply
    68,386.45x = 102,569.41 × 21,633.25
  4. Step 4: Simplify right side
    68,386.45x = 2,218,909,688.88
  5. Step 5: Solve for x
    x = 2,218,909,688.88/68,386.45
  6. Step 6: Final answer
    x = 32,446.63

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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.