Home / 49,014.50-73,521.75-12,078.50

Finding the Fourth Proportional to 49,014.50, 73,521.75 and 12,078.50

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Solution

The fourth proportional to 49,014.50, 73,521.75 and 12,078.50 is: 18,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,014.50 : 73,521.75 = 12,078.50 : x
  2. Step 2: Convert to fraction form
    49,014.50/73,521.75 = 12,078.50/x
  3. Step 3: Cross multiply
    49,014.50x = 73,521.75 × 12,078.50
  4. Step 4: Simplify right side
    49,014.50x = 888,032,457.38
  5. Step 5: Solve for x
    x = 888,032,457.38/49,014.50
  6. Step 6: Final answer
    x = 18,117.75

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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.