Home / 47,867.96-71,801.91-12,806.71

Finding the Fourth Proportional to 47,867.96, 71,801.91 and 12,806.71

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Solution

The fourth proportional to 47,867.96, 71,801.91 and 12,806.71 is: 19,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,867.96 : 71,801.91 = 12,806.71 : x
  2. Step 2: Convert to fraction form
    47,867.96/71,801.91 = 12,806.71/x
  3. Step 3: Cross multiply
    47,867.96x = 71,801.91 × 12,806.71
  4. Step 4: Simplify right side
    47,867.96x = 919,546,059.31
  5. Step 5: Solve for x
    x = 919,546,059.31/47,867.96
  6. Step 6: Final answer
    x = 19,210.05

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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.