Home / 69,090.36-103,601.46-29,102.04

Finding the Fourth Proportional to 69,090.36, 103,601.46 and 29,102.04

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Solution

The fourth proportional to 69,090.36, 103,601.46 and 29,102.04 is: 43,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,090.36 : 103,601.46 = 29,102.04 : x
  2. Step 2: Convert to fraction form
    69,090.36/103,601.46 = 29,102.04/x
  3. Step 3: Cross multiply
    69,090.36x = 103,601.46 × 29,102.04
  4. Step 4: Simplify right side
    69,090.36x = 3,015,013,832.98
  5. Step 5: Solve for x
    x = 3,015,013,832.98/69,090.36
  6. Step 6: Final answer
    x = 43,638.70

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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.