Home / 47,907.60-71,872.20-14,629.20

Finding the Fourth Proportional to 47,907.60, 71,872.20 and 14,629.20

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Solution

The fourth proportional to 47,907.60, 71,872.20 and 14,629.20 is: 21,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,907.60 : 71,872.20 = 14,629.20 : x
  2. Step 2: Convert to fraction form
    47,907.60/71,872.20 = 14,629.20/x
  3. Step 3: Cross multiply
    47,907.60x = 71,872.20 × 14,629.20
  4. Step 4: Simplify right side
    47,907.60x = 1,051,432,788.24
  5. Step 5: Solve for x
    x = 1,051,432,788.24/47,907.60
  6. Step 6: Final answer
    x = 21,947.10

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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.