Home / 47,856.97-71,788.37-14,579.47

Finding the Fourth Proportional to 47,856.97, 71,788.37 and 14,579.47

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Solution

The fourth proportional to 47,856.97, 71,788.37 and 14,579.47 is: 21,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.97 : 71,788.37 = 14,579.47 : x
  2. Step 2: Convert to fraction form
    47,856.97/71,788.37 = 14,579.47/x
  3. Step 3: Cross multiply
    47,856.97x = 71,788.37 × 14,579.47
  4. Step 4: Simplify right side
    47,856.97x = 1,046,636,313.87
  5. Step 5: Solve for x
    x = 1,046,636,313.87/47,856.97
  6. Step 6: Final answer
    x = 21,870.09

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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.