Home / 52,783.20-78,995.60-32,021.60

Finding the Fourth Proportional to 52,783.20, 78,995.60 and 32,021.60

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Solution

The fourth proportional to 52,783.20, 78,995.60 and 32,021.60 is: 47,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.20 : 78,995.60 = 32,021.60 : x
  2. Step 2: Convert to fraction form
    52,783.20/78,995.60 = 32,021.60/x
  3. Step 3: Cross multiply
    52,783.20x = 78,995.60 × 32,021.60
  4. Step 4: Simplify right side
    52,783.20x = 2,529,565,504.96
  5. Step 5: Solve for x
    x = 2,529,565,504.96/52,783.20
  6. Step 6: Final answer
    x = 47,923.69

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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.