Home / 66,428.33-99,558.26-65,725.25

Finding the Fourth Proportional to 66,428.33, 99,558.26 and 65,725.25

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Solution

The fourth proportional to 66,428.33, 99,558.26 and 65,725.25 is: 98,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428.33 : 99,558.26 = 65,725.25 : x
  2. Step 2: Convert to fraction form
    66,428.33/99,558.26 = 65,725.25/x
  3. Step 3: Cross multiply
    66,428.33x = 99,558.26 × 65,725.25
  4. Step 4: Simplify right side
    66,428.33x = 6,543,491,199.44
  5. Step 5: Solve for x
    x = 6,543,491,199.44/66,428.33
  6. Step 6: Final answer
    x = 98,504.53

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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.