Home / 97,623.40-134,716.82-55,181.02

Finding the Fourth Proportional to 97,623.40, 134,716.82 and 55,181.02

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Solution

The fourth proportional to 97,623.40, 134,716.82 and 55,181.02 is: 76,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,623.40 : 134,716.82 = 55,181.02 : x
  2. Step 2: Convert to fraction form
    97,623.40/134,716.82 = 55,181.02/x
  3. Step 3: Cross multiply
    97,623.40x = 134,716.82 × 55,181.02
  4. Step 4: Simplify right side
    97,623.40x = 7,433,811,538.76
  5. Step 5: Solve for x
    x = 7,433,811,538.76/97,623.40
  6. Step 6: Final answer
    x = 76,147.85

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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.