Home / 74,529.36-111,837.10-39,469.02

Finding the Fourth Proportional to 74,529.36, 111,837.10 and 39,469.02

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Solution

The fourth proportional to 74,529.36, 111,837.10 and 39,469.02 is: 59,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529.36 : 111,837.10 = 39,469.02 : x
  2. Step 2: Convert to fraction form
    74,529.36/111,837.10 = 39,469.02/x
  3. Step 3: Cross multiply
    74,529.36x = 111,837.10 × 39,469.02
  4. Step 4: Simplify right side
    74,529.36x = 4,414,099,980.11
  5. Step 5: Solve for x
    x = 4,414,099,980.11/74,529.36
  6. Step 6: Final answer
    x = 59,226.32

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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.