Home / 68,583.50-102,875.28-29,112.94

Finding the Fourth Proportional to 68,583.50, 102,875.28 and 29,112.94

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Solution

The fourth proportional to 68,583.50, 102,875.28 and 29,112.94 is: 43,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,583.50 : 102,875.28 = 29,112.94 : x
  2. Step 2: Convert to fraction form
    68,583.50/102,875.28 = 29,112.94/x
  3. Step 3: Cross multiply
    68,583.50x = 102,875.28 × 29,112.94
  4. Step 4: Simplify right side
    68,583.50x = 2,995,001,854.12
  5. Step 5: Solve for x
    x = 2,995,001,854.12/68,583.50
  6. Step 6: Final answer
    x = 43,669.42

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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.