Home / 46,980.04-70,469.88-11,919.60

Finding the Fourth Proportional to 46,980.04, 70,469.88 and 11,919.60

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Solution

The fourth proportional to 46,980.04, 70,469.88 and 11,919.60 is: 17,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,980.04 : 70,469.88 = 11,919.60 : x
  2. Step 2: Convert to fraction form
    46,980.04/70,469.88 = 11,919.60/x
  3. Step 3: Cross multiply
    46,980.04x = 70,469.88 × 11,919.60
  4. Step 4: Simplify right side
    46,980.04x = 839,972,781.65
  5. Step 5: Solve for x
    x = 839,972,781.65/46,980.04
  6. Step 6: Final answer
    x = 17,879.35

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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.