Home / 97,906.68-135,117.90-55,465.56

Finding the Fourth Proportional to 97,906.68, 135,117.90 and 55,465.56

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Solution

The fourth proportional to 97,906.68, 135,117.90 and 55,465.56 is: 76,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,906.68 : 135,117.90 = 55,465.56 : x
  2. Step 2: Convert to fraction form
    97,906.68/135,117.90 = 55,465.56/x
  3. Step 3: Cross multiply
    97,906.68x = 135,117.90 × 55,465.56
  4. Step 4: Simplify right side
    97,906.68x = 7,494,389,989.52
  5. Step 5: Solve for x
    x = 7,494,389,989.52/97,906.68
  6. Step 6: Final answer
    x = 76,546.26

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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.