Home / 47,078.75-70,618.06-12,018.41

Finding the Fourth Proportional to 47,078.75, 70,618.06 and 12,018.41

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Solution

The fourth proportional to 47,078.75, 70,618.06 and 12,018.41 is: 18,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.75 : 70,618.06 = 12,018.41 : x
  2. Step 2: Convert to fraction form
    47,078.75/70,618.06 = 12,018.41/x
  3. Step 3: Cross multiply
    47,078.75x = 70,618.06 × 12,018.41
  4. Step 4: Simplify right side
    47,078.75x = 848,716,798.48
  5. Step 5: Solve for x
    x = 848,716,798.48/47,078.75
  6. Step 6: Final answer
    x = 18,027.60

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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.