Home / 52,353.20-78,529.80-41,985.20

Finding the Fourth Proportional to 52,353.20, 78,529.80 and 41,985.20

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Solution

The fourth proportional to 52,353.20, 78,529.80 and 41,985.20 is: 62,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,353.20 : 78,529.80 = 41,985.20 : x
  2. Step 2: Convert to fraction form
    52,353.20/78,529.80 = 41,985.20/x
  3. Step 3: Cross multiply
    52,353.20x = 78,529.80 × 41,985.20
  4. Step 4: Simplify right side
    52,353.20x = 3,297,089,358.96
  5. Step 5: Solve for x
    x = 3,297,089,358.96/52,353.20
  6. Step 6: Final answer
    x = 62,977.80

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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.