Home / 57,025.80-78,586.74-49,560.84

Finding the Fourth Proportional to 57,025.80, 78,586.74 and 49,560.84

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Solution

The fourth proportional to 57,025.80, 78,586.74 and 49,560.84 is: 68,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,025.80 : 78,586.74 = 49,560.84 : x
  2. Step 2: Convert to fraction form
    57,025.80/78,586.74 = 49,560.84/x
  3. Step 3: Cross multiply
    57,025.80x = 78,586.74 × 49,560.84
  4. Step 4: Simplify right side
    57,025.80x = 3,894,824,847.26
  5. Step 5: Solve for x
    x = 3,894,824,847.26/57,025.80
  6. Step 6: Final answer
    x = 68,299.35

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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.