Home / 43,889.76-65,841.45-14,300.73

Finding the Fourth Proportional to 43,889.76, 65,841.45 and 14,300.73

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Solution

The fourth proportional to 43,889.76, 65,841.45 and 14,300.73 is: 21,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,889.76 : 65,841.45 = 14,300.73 : x
  2. Step 2: Convert to fraction form
    43,889.76/65,841.45 = 14,300.73/x
  3. Step 3: Cross multiply
    43,889.76x = 65,841.45 × 14,300.73
  4. Step 4: Simplify right side
    43,889.76x = 941,580,799.26
  5. Step 5: Solve for x
    x = 941,580,799.26/43,889.76
  6. Step 6: Final answer
    x = 21,453.31

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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.