Home / 57,122.40-85,683.60-44,000.40

Finding the Fourth Proportional to 57,122.40, 85,683.60 and 44,000.40

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Solution

The fourth proportional to 57,122.40, 85,683.60 and 44,000.40 is: 66,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,122.40 : 85,683.60 = 44,000.40 : x
  2. Step 2: Convert to fraction form
    57,122.40/85,683.60 = 44,000.40/x
  3. Step 3: Cross multiply
    57,122.40x = 85,683.60 × 44,000.40
  4. Step 4: Simplify right side
    57,122.40x = 3,770,112,673.44
  5. Step 5: Solve for x
    x = 3,770,112,673.44/57,122.40
  6. Step 6: Final answer
    x = 66,000.60

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1.5x scale

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.