Home / 57,020.18-78,680.85-33,152.18

Finding the Fourth Proportional to 57,020.18, 78,680.85 and 33,152.18

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Solution

The fourth proportional to 57,020.18, 78,680.85 and 33,152.18 is: 45,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020.18 : 78,680.85 = 33,152.18 : x
  2. Step 2: Convert to fraction form
    57,020.18/78,680.85 = 33,152.18/x
  3. Step 3: Cross multiply
    57,020.18x = 78,680.85 × 33,152.18
  4. Step 4: Simplify right side
    57,020.18x = 2,608,441,701.75
  5. Step 5: Solve for x
    x = 2,608,441,701.75/57,020.18
  6. Step 6: Final answer
    x = 45,745.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.