Home / 57,620.20-86,495.10-44,530.60

Finding the Fourth Proportional to 57,620.20, 86,495.10 and 44,530.60

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Solution

The fourth proportional to 57,620.20, 86,495.10 and 44,530.60 is: 66,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,620.20 : 86,495.10 = 44,530.60 : x
  2. Step 2: Convert to fraction form
    57,620.20/86,495.10 = 44,530.60/x
  3. Step 3: Cross multiply
    57,620.20x = 86,495.10 × 44,530.60
  4. Step 4: Simplify right side
    57,620.20x = 3,851,678,700.06
  5. Step 5: Solve for x
    x = 3,851,678,700.06/57,620.20
  6. Step 6: Final answer
    x = 66,845.98

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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.