Home / 47,078.26-70,617.30-12,017.92

Finding the Fourth Proportional to 47,078.26, 70,617.30 and 12,017.92

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Solution

The fourth proportional to 47,078.26, 70,617.30 and 12,017.92 is: 18,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.26 : 70,617.30 = 12,017.92 : x
  2. Step 2: Convert to fraction form
    47,078.26/70,617.30 = 12,017.92/x
  3. Step 3: Cross multiply
    47,078.26x = 70,617.30 × 12,017.92
  4. Step 4: Simplify right side
    47,078.26x = 848,673,062.02
  5. Step 5: Solve for x
    x = 848,673,062.02/47,078.26
  6. Step 6: Final answer
    x = 18,026.86

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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.