Home / 45,805.40-63,215.46-25,661.96

Finding the Fourth Proportional to 45,805.40, 63,215.46 and 25,661.96

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Solution

The fourth proportional to 45,805.40, 63,215.46 and 25,661.96 is: 35,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.40 : 63,215.46 = 25,661.96 : x
  2. Step 2: Convert to fraction form
    45,805.40/63,215.46 = 25,661.96/x
  3. Step 3: Cross multiply
    45,805.40x = 63,215.46 × 25,661.96
  4. Step 4: Simplify right side
    45,805.40x = 1,622,232,605.90
  5. Step 5: Solve for x
    x = 1,622,232,605.90/45,805.40
  6. Step 6: Final answer
    x = 35,415.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.