Home / 56,620.20-85,017.78-30,376.20

Finding the Fourth Proportional to 56,620.20, 85,017.78 and 30,376.20

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Solution

The fourth proportional to 56,620.20, 85,017.78 and 30,376.20 is: 45,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,620.20 : 85,017.78 = 30,376.20 : x
  2. Step 2: Convert to fraction form
    56,620.20/85,017.78 = 30,376.20/x
  3. Step 3: Cross multiply
    56,620.20x = 85,017.78 × 30,376.20
  4. Step 4: Simplify right side
    56,620.20x = 2,582,517,088.84
  5. Step 5: Solve for x
    x = 2,582,517,088.84/56,620.20
  6. Step 6: Final answer
    x = 45,611.23

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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.