Home / 66,548.40-99,688.20-41,511.60

Finding the Fourth Proportional to 66,548.40, 99,688.20 and 41,511.60

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Solution

The fourth proportional to 66,548.40, 99,688.20 and 41,511.60 is: 62,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.40 : 99,688.20 = 41,511.60 : x
  2. Step 2: Convert to fraction form
    66,548.40/99,688.20 = 41,511.60/x
  3. Step 3: Cross multiply
    66,548.40x = 99,688.20 × 41,511.60
  4. Step 4: Simplify right side
    66,548.40x = 4,138,216,683.12
  5. Step 5: Solve for x
    x = 4,138,216,683.12/66,548.40
  6. Step 6: Final answer
    x = 62,183.56

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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.