Home / 73,261.20-110,021.40-56,661.60

Finding the Fourth Proportional to 73,261.20, 110,021.40 and 56,661.60

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Solution

The fourth proportional to 73,261.20, 110,021.40 and 56,661.60 is: 85,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,261.20 : 110,021.40 = 56,661.60 : x
  2. Step 2: Convert to fraction form
    73,261.20/110,021.40 = 56,661.60/x
  3. Step 3: Cross multiply
    73,261.20x = 110,021.40 × 56,661.60
  4. Step 4: Simplify right side
    73,261.20x = 6,233,988,558.24
  5. Step 5: Solve for x
    x = 6,233,988,558.24/73,261.20
  6. Step 6: Final answer
    x = 85,092.64

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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.