Home / 47,856.72-71,787.99-14,579.22

Finding the Fourth Proportional to 47,856.72, 71,787.99 and 14,579.22

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Solution

The fourth proportional to 47,856.72, 71,787.99 and 14,579.22 is: 21,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.72 : 71,787.99 = 14,579.22 : x
  2. Step 2: Convert to fraction form
    47,856.72/71,787.99 = 14,579.22/x
  3. Step 3: Cross multiply
    47,856.72x = 71,787.99 × 14,579.22
  4. Step 4: Simplify right side
    47,856.72x = 1,046,612,899.57
  5. Step 5: Solve for x
    x = 1,046,612,899.57/47,856.72
  6. Step 6: Final answer
    x = 21,869.72

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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.