Home / 65,121.86-97,416.36-49,208.60

Finding the Fourth Proportional to 65,121.86, 97,416.36 and 49,208.60

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Solution

The fourth proportional to 65,121.86, 97,416.36 and 49,208.60 is: 73,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,121.86 : 97,416.36 = 49,208.60 : x
  2. Step 2: Convert to fraction form
    65,121.86/97,416.36 = 49,208.60/x
  3. Step 3: Cross multiply
    65,121.86x = 97,416.36 × 49,208.60
  4. Step 4: Simplify right side
    65,121.86x = 4,793,722,692.70
  5. Step 5: Solve for x
    x = 4,793,722,692.70/65,121.86
  6. Step 6: Final answer
    x = 73,611.58

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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.