Home / 47,506.08-71,317.44-45,056.64

Finding the Fourth Proportional to 47,506.08, 71,317.44 and 45,056.64

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Solution

The fourth proportional to 47,506.08, 71,317.44 and 45,056.64 is: 67,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,506.08 : 71,317.44 = 45,056.64 : x
  2. Step 2: Convert to fraction form
    47,506.08/71,317.44 = 45,056.64/x
  3. Step 3: Cross multiply
    47,506.08x = 71,317.44 × 45,056.64
  4. Step 4: Simplify right side
    47,506.08x = 3,213,324,219.80
  5. Step 5: Solve for x
    x = 3,213,324,219.80/47,506.08
  6. Step 6: Final answer
    x = 67,640.27

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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.