Home / 97,631.56-134,737.36-55,194.04

Finding the Fourth Proportional to 97,631.56, 134,737.36 and 55,194.04

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Solution

The fourth proportional to 97,631.56, 134,737.36 and 55,194.04 is: 76,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,631.56 : 134,737.36 = 55,194.04 : x
  2. Step 2: Convert to fraction form
    97,631.56/134,737.36 = 55,194.04/x
  3. Step 3: Cross multiply
    97,631.56x = 134,737.36 × 55,194.04
  4. Step 4: Simplify right side
    97,631.56x = 7,436,699,563.02
  5. Step 5: Solve for x
    x = 7,436,699,563.02/97,631.56
  6. Step 6: Final answer
    x = 76,171.06

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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.