Home / 69,100.48-103,701.96-51,372.16

Finding the Fourth Proportional to 69,100.48, 103,701.96 and 51,372.16

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Solution

The fourth proportional to 69,100.48, 103,701.96 and 51,372.16 is: 77,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,100.48 : 103,701.96 = 51,372.16 : x
  2. Step 2: Convert to fraction form
    69,100.48/103,701.96 = 51,372.16/x
  3. Step 3: Cross multiply
    69,100.48x = 103,701.96 × 51,372.16
  4. Step 4: Simplify right side
    69,100.48x = 5,327,393,681.43
  5. Step 5: Solve for x
    x = 5,327,393,681.43/69,100.48
  6. Step 6: Final answer
    x = 77,096.33

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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.