Home / 46,564.80-69,847.20-13,281.60

Finding the Fourth Proportional to 46,564.80, 69,847.20 and 13,281.60

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Solution

The fourth proportional to 46,564.80, 69,847.20 and 13,281.60 is: 19,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,564.80 : 69,847.20 = 13,281.60 : x
  2. Step 2: Convert to fraction form
    46,564.80/69,847.20 = 13,281.60/x
  3. Step 3: Cross multiply
    46,564.80x = 69,847.20 × 13,281.60
  4. Step 4: Simplify right side
    46,564.80x = 927,682,571.52
  5. Step 5: Solve for x
    x = 927,682,571.52/46,564.80
  6. Step 6: Final answer
    x = 19,922.40

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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.