Home / 47,703.04-71,556.50-12,165.28

Finding the Fourth Proportional to 47,703.04, 71,556.50 and 12,165.28

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Solution

The fourth proportional to 47,703.04, 71,556.50 and 12,165.28 is: 18,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,703.04 : 71,556.50 = 12,165.28 : x
  2. Step 2: Convert to fraction form
    47,703.04/71,556.50 = 12,165.28/x
  3. Step 3: Cross multiply
    47,703.04x = 71,556.50 × 12,165.28
  4. Step 4: Simplify right side
    47,703.04x = 870,504,858.32
  5. Step 5: Solve for x
    x = 870,504,858.32/47,703.04
  6. Step 6: Final answer
    x = 18,248.41

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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.