Home / 47,271.48-70,907.22-12,213.96

Finding the Fourth Proportional to 47,271.48, 70,907.22 and 12,213.96

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Solution

The fourth proportional to 47,271.48, 70,907.22 and 12,213.96 is: 18,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,271.48 : 70,907.22 = 12,213.96 : x
  2. Step 2: Convert to fraction form
    47,271.48/70,907.22 = 12,213.96/x
  3. Step 3: Cross multiply
    47,271.48x = 70,907.22 × 12,213.96
  4. Step 4: Simplify right side
    47,271.48x = 866,057,948.79
  5. Step 5: Solve for x
    x = 866,057,948.79/47,271.48
  6. Step 6: Final answer
    x = 18,320.94

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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.