Home / 57,219.70-85,853.26-30,893.50

Finding the Fourth Proportional to 57,219.70, 85,853.26 and 30,893.50

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Solution

The fourth proportional to 57,219.70, 85,853.26 and 30,893.50 is: 46,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.70 : 85,853.26 = 30,893.50 : x
  2. Step 2: Convert to fraction form
    57,219.70/85,853.26 = 30,893.50/x
  3. Step 3: Cross multiply
    57,219.70x = 85,853.26 × 30,893.50
  4. Step 4: Simplify right side
    57,219.70x = 2,652,307,687.81
  5. Step 5: Solve for x
    x = 2,652,307,687.81/57,219.70
  6. Step 6: Final answer
    x = 46,353.05

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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.