Home / 52,289.92-78,435.10-12,847.04

Finding the Fourth Proportional to 52,289.92, 78,435.10 and 12,847.04

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Solution

The fourth proportional to 52,289.92, 78,435.10 and 12,847.04 is: 19,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,289.92 : 78,435.10 = 12,847.04 : x
  2. Step 2: Convert to fraction form
    52,289.92/78,435.10 = 12,847.04/x
  3. Step 3: Cross multiply
    52,289.92x = 78,435.10 × 12,847.04
  4. Step 4: Simplify right side
    52,289.92x = 1,007,658,867.10
  5. Step 5: Solve for x
    x = 1,007,658,867.10/52,289.92
  6. Step 6: Final answer
    x = 19,270.61

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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.