Home / 47,200.68-70,801.22-19,121.28

Finding the Fourth Proportional to 47,200.68, 70,801.22 and 19,121.28

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Solution

The fourth proportional to 47,200.68, 70,801.22 and 19,121.28 is: 28,682.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.68 : 70,801.22 = 19,121.28 : x
  2. Step 2: Convert to fraction form
    47,200.68/70,801.22 = 19,121.28/x
  3. Step 3: Cross multiply
    47,200.68x = 70,801.22 × 19,121.28
  4. Step 4: Simplify right side
    47,200.68x = 1,353,809,951.96
  5. Step 5: Solve for x
    x = 1,353,809,951.96/47,200.68
  6. Step 6: Final answer
    x = 28,682.00

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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.