Home / 46,066.40-69,104.54-12,786.60

Finding the Fourth Proportional to 46,066.40, 69,104.54 and 12,786.60

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Solution

The fourth proportional to 46,066.40, 69,104.54 and 12,786.60 is: 19,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,066.40 : 69,104.54 = 12,786.60 : x
  2. Step 2: Convert to fraction form
    46,066.40/69,104.54 = 12,786.60/x
  3. Step 3: Cross multiply
    46,066.40x = 69,104.54 × 12,786.60
  4. Step 4: Simplify right side
    46,066.40x = 883,612,219.99
  5. Step 5: Solve for x
    x = 883,612,219.99/46,066.40
  6. Step 6: Final answer
    x = 19,181.27

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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.