Home / 47,904.12-71,856.63-16,739.46

Finding the Fourth Proportional to 47,904.12, 71,856.63 and 16,739.46

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Solution

The fourth proportional to 47,904.12, 71,856.63 and 16,739.46 is: 25,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,904.12 : 71,856.63 = 16,739.46 : x
  2. Step 2: Convert to fraction form
    47,904.12/71,856.63 = 16,739.46/x
  3. Step 3: Cross multiply
    47,904.12x = 71,856.63 × 16,739.46
  4. Step 4: Simplify right side
    47,904.12x = 1,202,841,183.62
  5. Step 5: Solve for x
    x = 1,202,841,183.62/47,904.12
  6. Step 6: Final answer
    x = 25,109.35

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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.