Home / 29,147.04-43,720.56-8,370.72

Finding the Fourth Proportional to 29,147.04, 43,720.56 and 8,370.72

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Solution

The fourth proportional to 29,147.04, 43,720.56 and 8,370.72 is: 12,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.04 : 43,720.56 = 8,370.72 : x
  2. Step 2: Convert to fraction form
    29,147.04/43,720.56 = 8,370.72/x
  3. Step 3: Cross multiply
    29,147.04x = 43,720.56 × 8,370.72
  4. Step 4: Simplify right side
    29,147.04x = 365,972,566.00
  5. Step 5: Solve for x
    x = 365,972,566.00/29,147.04
  6. Step 6: Final answer
    x = 12,556.08

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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.