Home / 72,626.41-100,234.02-40,797.06

Finding the Fourth Proportional to 72,626.41, 100,234.02 and 40,797.06

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Solution

The fourth proportional to 72,626.41, 100,234.02 and 40,797.06 is: 56,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,626.41 : 100,234.02 = 40,797.06 : x
  2. Step 2: Convert to fraction form
    72,626.41/100,234.02 = 40,797.06/x
  3. Step 3: Cross multiply
    72,626.41x = 100,234.02 × 40,797.06
  4. Step 4: Simplify right side
    72,626.41x = 4,089,253,327.98
  5. Step 5: Solve for x
    x = 4,089,253,327.98/72,626.41
  6. Step 6: Final answer
    x = 56,305.32

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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.