Home / 43,723.82-65,570.60-15,643.82

Finding the Fourth Proportional to 43,723.82, 65,570.60 and 15,643.82

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Solution

The fourth proportional to 43,723.82, 65,570.60 and 15,643.82 is: 23,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723.82 : 65,570.60 = 15,643.82 : x
  2. Step 2: Convert to fraction form
    43,723.82/65,570.60 = 15,643.82/x
  3. Step 3: Cross multiply
    43,723.82x = 65,570.60 × 15,643.82
  4. Step 4: Simplify right side
    43,723.82x = 1,025,774,663.69
  5. Step 5: Solve for x
    x = 1,025,774,663.69/43,723.82
  6. Step 6: Final answer
    x = 23,460.32

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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.