Home / 74,321.24-111,506.45-29,985.27

Finding the Fourth Proportional to 74,321.24, 111,506.45 and 29,985.27

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Solution

The fourth proportional to 74,321.24, 111,506.45 and 29,985.27 is: 44,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,321.24 : 111,506.45 = 29,985.27 : x
  2. Step 2: Convert to fraction form
    74,321.24/111,506.45 = 29,985.27/x
  3. Step 3: Cross multiply
    74,321.24x = 111,506.45 × 29,985.27
  4. Step 4: Simplify right side
    74,321.24x = 3,343,550,860.07
  5. Step 5: Solve for x
    x = 3,343,550,860.07/74,321.24
  6. Step 6: Final answer
    x = 44,987.83

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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.