Home / 57,013.95-85,534.84-40,179.77

Finding the Fourth Proportional to 57,013.95, 85,534.84 and 40,179.77

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Solution

The fourth proportional to 57,013.95, 85,534.84 and 40,179.77 is: 60,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,013.95 : 85,534.84 = 40,179.77 : x
  2. Step 2: Convert to fraction form
    57,013.95/85,534.84 = 40,179.77/x
  3. Step 3: Cross multiply
    57,013.95x = 85,534.84 × 40,179.77
  4. Step 4: Simplify right side
    57,013.95x = 3,436,770,156.05
  5. Step 5: Solve for x
    x = 3,436,770,156.05/57,013.95
  6. Step 6: Final answer
    x = 60,279.46

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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.