Home / 47,080.62-70,623.36-12,020.58

Finding the Fourth Proportional to 47,080.62, 70,623.36 and 12,020.58

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Solution

The fourth proportional to 47,080.62, 70,623.36 and 12,020.58 is: 18,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,080.62 : 70,623.36 = 12,020.58 : x
  2. Step 2: Convert to fraction form
    47,080.62/70,623.36 = 12,020.58/x
  3. Step 3: Cross multiply
    47,080.62x = 70,623.36 × 12,020.58
  4. Step 4: Simplify right side
    47,080.62x = 848,933,748.75
  5. Step 5: Solve for x
    x = 848,933,748.75/47,080.62
  6. Step 6: Final answer
    x = 18,031.49

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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.