Home / 47,625.40-71,441.07-12,565.09

Finding the Fourth Proportional to 47,625.40, 71,441.07 and 12,565.09

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Solution

The fourth proportional to 47,625.40, 71,441.07 and 12,565.09 is: 18,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,625.40 : 71,441.07 = 12,565.09 : x
  2. Step 2: Convert to fraction form
    47,625.40/71,441.07 = 12,565.09/x
  3. Step 3: Cross multiply
    47,625.40x = 71,441.07 × 12,565.09
  4. Step 4: Simplify right side
    47,625.40x = 897,663,474.25
  5. Step 5: Solve for x
    x = 897,663,474.25/47,625.40
  6. Step 6: Final answer
    x = 18,848.42

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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.