Home / 46,968.78-70,446.33-13,679.91

Finding the Fourth Proportional to 46,968.78, 70,446.33 and 13,679.91

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Solution

The fourth proportional to 46,968.78, 70,446.33 and 13,679.91 is: 20,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,968.78 : 70,446.33 = 13,679.91 : x
  2. Step 2: Convert to fraction form
    46,968.78/70,446.33 = 13,679.91/x
  3. Step 3: Cross multiply
    46,968.78x = 70,446.33 × 13,679.91
  4. Step 4: Simplify right side
    46,968.78x = 963,699,454.23
  5. Step 5: Solve for x
    x = 963,699,454.23/46,968.78
  6. Step 6: Final answer
    x = 20,517.87

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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.