Home / 72,936.14-109,404.16-23,021.24

Finding the Fourth Proportional to 72,936.14, 109,404.16 and 23,021.24

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Solution

The fourth proportional to 72,936.14, 109,404.16 and 23,021.24 is: 34,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,936.14 : 109,404.16 = 23,021.24 : x
  2. Step 2: Convert to fraction form
    72,936.14/109,404.16 = 23,021.24/x
  3. Step 3: Cross multiply
    72,936.14x = 109,404.16 × 23,021.24
  4. Step 4: Simplify right side
    72,936.14x = 2,518,619,424.36
  5. Step 5: Solve for x
    x = 2,518,619,424.36/72,936.14
  6. Step 6: Final answer
    x = 34,531.84

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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.