Home / 46,077.53-69,103.41-12,789.66

Finding the Fourth Proportional to 46,077.53, 69,103.41 and 12,789.66

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Solution

The fourth proportional to 46,077.53, 69,103.41 and 12,789.66 is: 19,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,077.53 : 69,103.41 = 12,789.66 : x
  2. Step 2: Convert to fraction form
    46,077.53/69,103.41 = 12,789.66/x
  3. Step 3: Cross multiply
    46,077.53x = 69,103.41 × 12,789.66
  4. Step 4: Simplify right side
    46,077.53x = 883,809,118.74
  5. Step 5: Solve for x
    x = 883,809,118.74/46,077.53
  6. Step 6: Final answer
    x = 19,180.91

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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.