Home / 43,825.74-65,749.66-12,235.77

Finding the Fourth Proportional to 43,825.74, 65,749.66 and 12,235.77

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Solution

The fourth proportional to 43,825.74, 65,749.66 and 12,235.77 is: 18,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,825.74 : 65,749.66 = 12,235.77 : x
  2. Step 2: Convert to fraction form
    43,825.74/65,749.66 = 12,235.77/x
  3. Step 3: Cross multiply
    43,825.74x = 65,749.66 × 12,235.77
  4. Step 4: Simplify right side
    43,825.74x = 804,497,686.75
  5. Step 5: Solve for x
    x = 804,497,686.75/43,825.74
  6. Step 6: Final answer
    x = 18,356.74

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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.