Home / 47,069.76-70,608.68-12,009.30

Finding the Fourth Proportional to 47,069.76, 70,608.68 and 12,009.30

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Solution

The fourth proportional to 47,069.76, 70,608.68 and 12,009.30 is: 18,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,069.76 : 70,608.68 = 12,009.30 : x
  2. Step 2: Convert to fraction form
    47,069.76/70,608.68 = 12,009.30/x
  3. Step 3: Cross multiply
    47,069.76x = 70,608.68 × 12,009.30
  4. Step 4: Simplify right side
    47,069.76x = 847,960,820.72
  5. Step 5: Solve for x
    x = 847,960,820.72/47,069.76
  6. Step 6: Final answer
    x = 18,014.98

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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.