Home / 49,728.40-74,376.60-44,501.20

Finding the Fourth Proportional to 49,728.40, 74,376.60 and 44,501.20

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Solution

The fourth proportional to 49,728.40, 74,376.60 and 44,501.20 is: 66,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.40 : 74,376.60 = 44,501.20 : x
  2. Step 2: Convert to fraction form
    49,728.40/74,376.60 = 44,501.20/x
  3. Step 3: Cross multiply
    49,728.40x = 74,376.60 × 44,501.20
  4. Step 4: Simplify right side
    49,728.40x = 3,309,847,951.92
  5. Step 5: Solve for x
    x = 3,309,847,951.92/49,728.40
  6. Step 6: Final answer
    x = 66,558.50

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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.