Home / 46,940.40-70,410.78-13,660.56

Finding the Fourth Proportional to 46,940.40, 70,410.78 and 13,660.56

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Solution

The fourth proportional to 46,940.40, 70,410.78 and 13,660.56 is: 20,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940.40 : 70,410.78 = 13,660.56 : x
  2. Step 2: Convert to fraction form
    46,940.40/70,410.78 = 13,660.56/x
  3. Step 3: Cross multiply
    46,940.40x = 70,410.78 × 13,660.56
  4. Step 4: Simplify right side
    46,940.40x = 961,850,684.84
  5. Step 5: Solve for x
    x = 961,850,684.84/46,940.40
  6. Step 6: Final answer
    x = 20,490.89

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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.