Home / 70,629.20-105,846.60-46,869.20

Finding the Fourth Proportional to 70,629.20, 105,846.60 and 46,869.20

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Solution

The fourth proportional to 70,629.20, 105,846.60 and 46,869.20 is: 70,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,629.20 : 105,846.60 = 46,869.20 : x
  2. Step 2: Convert to fraction form
    70,629.20/105,846.60 = 46,869.20/x
  3. Step 3: Cross multiply
    70,629.20x = 105,846.60 × 46,869.20
  4. Step 4: Simplify right side
    70,629.20x = 4,960,945,464.72
  5. Step 5: Solve for x
    x = 4,960,945,464.72/70,629.20
  6. Step 6: Final answer
    x = 70,239.30

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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.