Home / 97,795.41-134,958.09-55,362.12

Finding the Fourth Proportional to 97,795.41, 134,958.09 and 55,362.12

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Solution

The fourth proportional to 97,795.41, 134,958.09 and 55,362.12 is: 76,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,795.41 : 134,958.09 = 55,362.12 : x
  2. Step 2: Convert to fraction form
    97,795.41/134,958.09 = 55,362.12/x
  3. Step 3: Cross multiply
    97,795.41x = 134,958.09 × 55,362.12
  4. Step 4: Simplify right side
    97,795.41x = 7,471,565,973.55
  5. Step 5: Solve for x
    x = 7,471,565,973.55/97,795.41
  6. Step 6: Final answer
    x = 76,399.97

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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.