Home / 57,117.40-85,676.10-37,072.60

Finding the Fourth Proportional to 57,117.40, 85,676.10 and 37,072.60

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Solution

The fourth proportional to 57,117.40, 85,676.10 and 37,072.60 is: 55,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,117.40 : 85,676.10 = 37,072.60 : x
  2. Step 2: Convert to fraction form
    57,117.40/85,676.10 = 37,072.60/x
  3. Step 3: Cross multiply
    57,117.40x = 85,676.10 × 37,072.60
  4. Step 4: Simplify right side
    57,117.40x = 3,176,235,784.86
  5. Step 5: Solve for x
    x = 3,176,235,784.86/57,117.40
  6. Step 6: Final answer
    x = 55,608.90

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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.