Home / 49,890.10-74,921.55-48,334.90

Finding the Fourth Proportional to 49,890.10, 74,921.55 and 48,334.90

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Solution

The fourth proportional to 49,890.10, 74,921.55 and 48,334.90 is: 72,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,890.10 : 74,921.55 = 48,334.90 : x
  2. Step 2: Convert to fraction form
    49,890.10/74,921.55 = 48,334.90/x
  3. Step 3: Cross multiply
    49,890.10x = 74,921.55 × 48,334.90
  4. Step 4: Simplify right side
    49,890.10x = 3,621,325,627.10
  5. Step 5: Solve for x
    x = 3,621,325,627.10/49,890.10
  6. Step 6: Final answer
    x = 72,586.06

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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.