Home / 97,783.73-134,918.42-55,342.26

Finding the Fourth Proportional to 97,783.73, 134,918.42 and 55,342.26

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Solution

The fourth proportional to 97,783.73, 134,918.42 and 55,342.26 is: 76,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,783.73 : 134,918.42 = 55,342.26 : x
  2. Step 2: Convert to fraction form
    97,783.73/134,918.42 = 55,342.26/x
  3. Step 3: Cross multiply
    97,783.73x = 134,918.42 × 55,342.26
  4. Step 4: Simplify right side
    97,783.73x = 7,466,690,770.30
  5. Step 5: Solve for x
    x = 7,466,690,770.30/97,783.73
  6. Step 6: Final answer
    x = 76,359.23

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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.