Home / 52,652.20-78,824.70-47,122.60

Finding the Fourth Proportional to 52,652.20, 78,824.70 and 47,122.60

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Solution

The fourth proportional to 52,652.20, 78,824.70 and 47,122.60 is: 70,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,652.20 : 78,824.70 = 47,122.60 : x
  2. Step 2: Convert to fraction form
    52,652.20/78,824.70 = 47,122.60/x
  3. Step 3: Cross multiply
    52,652.20x = 78,824.70 × 47,122.60
  4. Step 4: Simplify right side
    52,652.20x = 3,714,424,808.22
  5. Step 5: Solve for x
    x = 3,714,424,808.22/52,652.20
  6. Step 6: Final answer
    x = 70,546.43

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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.