Home / 97,755.12-134,893.08-55,306.80

Finding the Fourth Proportional to 97,755.12, 134,893.08 and 55,306.80

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Solution

The fourth proportional to 97,755.12, 134,893.08 and 55,306.80 is: 76,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,755.12 : 134,893.08 = 55,306.80 : x
  2. Step 2: Convert to fraction form
    97,755.12/134,893.08 = 55,306.80/x
  3. Step 3: Cross multiply
    97,755.12x = 134,893.08 × 55,306.80
  4. Step 4: Simplify right side
    97,755.12x = 7,460,504,596.94
  5. Step 5: Solve for x
    x = 7,460,504,596.94/97,755.12
  6. Step 6: Final answer
    x = 76,318.30

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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.