Home / 68,575.33-102,703.05-66,683.14

Finding the Fourth Proportional to 68,575.33, 102,703.05 and 66,683.14

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Solution

The fourth proportional to 68,575.33, 102,703.05 and 66,683.14 is: 99,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,575.33 : 102,703.05 = 66,683.14 : x
  2. Step 2: Convert to fraction form
    68,575.33/102,703.05 = 66,683.14/x
  3. Step 3: Cross multiply
    68,575.33x = 102,703.05 × 66,683.14
  4. Step 4: Simplify right side
    68,575.33x = 6,848,561,861.58
  5. Step 5: Solve for x
    x = 6,848,561,861.58/68,575.33
  6. Step 6: Final answer
    x = 99,869.18

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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.