Home / 47,110.61-70,675.94-13,828.12

Finding the Fourth Proportional to 47,110.61, 70,675.94 and 13,828.12

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Solution

The fourth proportional to 47,110.61, 70,675.94 and 13,828.12 is: 20,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.61 : 70,675.94 = 13,828.12 : x
  2. Step 2: Convert to fraction form
    47,110.61/70,675.94 = 13,828.12/x
  3. Step 3: Cross multiply
    47,110.61x = 70,675.94 × 13,828.12
  4. Step 4: Simplify right side
    47,110.61x = 977,315,237.31
  5. Step 5: Solve for x
    x = 977,315,237.31/47,110.61
  6. Step 6: Final answer
    x = 20,745.12

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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.