Home / 69,051.36-103,592.22-40,997.01

Finding the Fourth Proportional to 69,051.36, 103,592.22 and 40,997.01

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Solution

The fourth proportional to 69,051.36, 103,592.22 and 40,997.01 is: 61,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,051.36 : 103,592.22 = 40,997.01 : x
  2. Step 2: Convert to fraction form
    69,051.36/103,592.22 = 40,997.01/x
  3. Step 3: Cross multiply
    69,051.36x = 103,592.22 × 40,997.01
  4. Step 4: Simplify right side
    69,051.36x = 4,246,971,279.26
  5. Step 5: Solve for x
    x = 4,246,971,279.26/69,051.36
  6. Step 6: Final answer
    x = 61,504.53

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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.