Home / 47,041.88-70,556.76-11,979.44

Finding the Fourth Proportional to 47,041.88, 70,556.76 and 11,979.44

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Solution

The fourth proportional to 47,041.88, 70,556.76 and 11,979.44 is: 17,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,041.88 : 70,556.76 = 11,979.44 : x
  2. Step 2: Convert to fraction form
    47,041.88/70,556.76 = 11,979.44/x
  3. Step 3: Cross multiply
    47,041.88x = 70,556.76 × 11,979.44
  4. Step 4: Simplify right side
    47,041.88x = 845,230,473.01
  5. Step 5: Solve for x
    x = 845,230,473.01/47,041.88
  6. Step 6: Final answer
    x = 17,967.62

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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.