Home / 47,067.84-70,603.20-12,008.16

Finding the Fourth Proportional to 47,067.84, 70,603.20 and 12,008.16

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Solution

The fourth proportional to 47,067.84, 70,603.20 and 12,008.16 is: 18,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,067.84 : 70,603.20 = 12,008.16 : x
  2. Step 2: Convert to fraction form
    47,067.84/70,603.20 = 12,008.16/x
  3. Step 3: Cross multiply
    47,067.84x = 70,603.20 × 12,008.16
  4. Step 4: Simplify right side
    47,067.84x = 847,814,522.11
  5. Step 5: Solve for x
    x = 847,814,522.11/47,067.84
  6. Step 6: Final answer
    x = 18,012.61

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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.