Home / 46,148.50-69,215.73-12,865.06

Finding the Fourth Proportional to 46,148.50, 69,215.73 and 12,865.06

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Solution

The fourth proportional to 46,148.50, 69,215.73 and 12,865.06 is: 19,295.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,148.50 : 69,215.73 = 12,865.06 : x
  2. Step 2: Convert to fraction form
    46,148.50/69,215.73 = 12,865.06/x
  3. Step 3: Cross multiply
    46,148.50x = 69,215.73 × 12,865.06
  4. Step 4: Simplify right side
    46,148.50x = 890,464,519.39
  5. Step 5: Solve for x
    x = 890,464,519.39/46,148.50
  6. Step 6: Final answer
    x = 19,295.63

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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.