Home / 74,094.03-111,105-36,642.06

Finding the Fourth Proportional to 74,094.03, 111,105 and 36,642.06

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Solution

The fourth proportional to 74,094.03, 111,105 and 36,642.06 is: 54,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,094.03 : 111,105 = 36,642.06 : x
  2. Step 2: Convert to fraction form
    74,094.03/111,105 = 36,642.06/x
  3. Step 3: Cross multiply
    74,094.03x = 111,105 × 36,642.06
  4. Step 4: Simplify right side
    74,094.03x = 4,071,116,076.30
  5. Step 5: Solve for x
    x = 4,071,116,076.30/74,094.03
  6. Step 6: Final answer
    x = 54,945.26

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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.