Home / 46,651.62-69,964.42-12,909.51

Finding the Fourth Proportional to 46,651.62, 69,964.42 and 12,909.51

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Solution

The fourth proportional to 46,651.62, 69,964.42 and 12,909.51 is: 19,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,651.62 : 69,964.42 = 12,909.51 : x
  2. Step 2: Convert to fraction form
    46,651.62/69,964.42 = 12,909.51/x
  3. Step 3: Cross multiply
    46,651.62x = 69,964.42 × 12,909.51
  4. Step 4: Simplify right side
    46,651.62x = 903,206,379.63
  5. Step 5: Solve for x
    x = 903,206,379.63/46,651.62
  6. Step 6: Final answer
    x = 19,360.66

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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.