Home / 43,427.10-65,250-27,639.39

Finding the Fourth Proportional to 43,427.10, 65,250 and 27,639.39

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Solution

The fourth proportional to 43,427.10, 65,250 and 27,639.39 is: 41,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,427.10 : 65,250 = 27,639.39 : x
  2. Step 2: Convert to fraction form
    43,427.10/65,250 = 27,639.39/x
  3. Step 3: Cross multiply
    43,427.10x = 65,250 × 27,639.39
  4. Step 4: Simplify right side
    43,427.10x = 1,803,470,197.50
  5. Step 5: Solve for x
    x = 1,803,470,197.50/43,427.10
  6. Step 6: Final answer
    x = 41,528.68

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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.