Home / 31,116.03-46,674.22-7,742.47

Finding the Fourth Proportional to 31,116.03, 46,674.22 and 7,742.47

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Solution

The fourth proportional to 31,116.03, 46,674.22 and 7,742.47 is: 11,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.03 : 46,674.22 = 7,742.47 : x
  2. Step 2: Convert to fraction form
    31,116.03/46,674.22 = 7,742.47/x
  3. Step 3: Cross multiply
    31,116.03x = 46,674.22 × 7,742.47
  4. Step 4: Simplify right side
    31,116.03x = 361,373,692.34
  5. Step 5: Solve for x
    x = 361,373,692.34/31,116.03
  6. Step 6: Final answer
    x = 11,613.75

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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.