Home / 46,986.18-70,481.64-13,708.74

Finding the Fourth Proportional to 46,986.18, 70,481.64 and 13,708.74

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Solution

The fourth proportional to 46,986.18, 70,481.64 and 13,708.74 is: 20,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,986.18 : 70,481.64 = 13,708.74 : x
  2. Step 2: Convert to fraction form
    46,986.18/70,481.64 = 13,708.74/x
  3. Step 3: Cross multiply
    46,986.18x = 70,481.64 × 13,708.74
  4. Step 4: Simplify right side
    46,986.18x = 966,214,793.25
  5. Step 5: Solve for x
    x = 966,214,793.25/46,986.18
  6. Step 6: Final answer
    x = 20,563.81

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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.