Home / 52,608.42-78,912.60-13,165.50

Finding the Fourth Proportional to 52,608.42, 78,912.60 and 13,165.50

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Solution

The fourth proportional to 52,608.42, 78,912.60 and 13,165.50 is: 19,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,608.42 : 78,912.60 = 13,165.50 : x
  2. Step 2: Convert to fraction form
    52,608.42/78,912.60 = 13,165.50/x
  3. Step 3: Cross multiply
    52,608.42x = 78,912.60 × 13,165.50
  4. Step 4: Simplify right side
    52,608.42x = 1,038,923,835.30
  5. Step 5: Solve for x
    x = 1,038,923,835.30/52,608.42
  6. Step 6: Final answer
    x = 19,748.24

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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.