Home / 105,546.48-145,657.44-57,804.36

Finding the Fourth Proportional to 105,546.48, 145,657.44 and 57,804.36

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Solution

The fourth proportional to 105,546.48, 145,657.44 and 57,804.36 is: 79,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,546.48 : 145,657.44 = 57,804.36 : x
  2. Step 2: Convert to fraction form
    105,546.48/145,657.44 = 57,804.36/x
  3. Step 3: Cross multiply
    105,546.48x = 145,657.44 × 57,804.36
  4. Step 4: Simplify right side
    105,546.48x = 8,419,635,098.44
  5. Step 5: Solve for x
    x = 8,419,635,098.44/105,546.48
  6. Step 6: Final answer
    x = 79,771.82

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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.