Home / 54,986.40-82,479.60-46,346.40

Finding the Fourth Proportional to 54,986.40, 82,479.60 and 46,346.40

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Solution

The fourth proportional to 54,986.40, 82,479.60 and 46,346.40 is: 69,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.40 : 82,479.60 = 46,346.40 : x
  2. Step 2: Convert to fraction form
    54,986.40/82,479.60 = 46,346.40/x
  3. Step 3: Cross multiply
    54,986.40x = 82,479.60 × 46,346.40
  4. Step 4: Simplify right side
    54,986.40x = 3,822,632,533.44
  5. Step 5: Solve for x
    x = 3,822,632,533.44/54,986.40
  6. Step 6: Final answer
    x = 69,519.60

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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.