Home / 31,116.91-46,675.38-7,743.35

Finding the Fourth Proportional to 31,116.91, 46,675.38 and 7,743.35

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Solution

The fourth proportional to 31,116.91, 46,675.38 and 7,743.35 is: 11,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.91 : 46,675.38 = 7,743.35 : x
  2. Step 2: Convert to fraction form
    31,116.91/46,675.38 = 7,743.35/x
  3. Step 3: Cross multiply
    31,116.91x = 46,675.38 × 7,743.35
  4. Step 4: Simplify right side
    31,116.91x = 361,423,716.34
  5. Step 5: Solve for x
    x = 361,423,716.34/31,116.91
  6. Step 6: Final answer
    x = 11,615.03

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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.