Home / 47,077.62-70,618.86-12,017.58

Finding the Fourth Proportional to 47,077.62, 70,618.86 and 12,017.58

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Solution

The fourth proportional to 47,077.62, 70,618.86 and 12,017.58 is: 18,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,077.62 : 70,618.86 = 12,017.58 : x
  2. Step 2: Convert to fraction form
    47,077.62/70,618.86 = 12,017.58/x
  3. Step 3: Cross multiply
    47,077.62x = 70,618.86 × 12,017.58
  4. Step 4: Simplify right side
    47,077.62x = 848,667,799.56
  5. Step 5: Solve for x
    x = 848,667,799.56/47,077.62
  6. Step 6: Final answer
    x = 18,026.99

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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.