Home / 46,590.20-69,896.13-13,310.72

Finding the Fourth Proportional to 46,590.20, 69,896.13 and 13,310.72

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Solution

The fourth proportional to 46,590.20, 69,896.13 and 13,310.72 is: 19,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,590.20 : 69,896.13 = 13,310.72 : x
  2. Step 2: Convert to fraction form
    46,590.20/69,896.13 = 13,310.72/x
  3. Step 3: Cross multiply
    46,590.20x = 69,896.13 × 13,310.72
  4. Step 4: Simplify right side
    46,590.20x = 930,367,815.51
  5. Step 5: Solve for x
    x = 930,367,815.51/46,590.20
  6. Step 6: Final answer
    x = 19,969.17

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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.