Home / 97,836.45-135,017.64-54,817.74

Finding the Fourth Proportional to 97,836.45, 135,017.64 and 54,817.74

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Solution

The fourth proportional to 97,836.45, 135,017.64 and 54,817.74 is: 75,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,836.45 : 135,017.64 = 54,817.74 : x
  2. Step 2: Convert to fraction form
    97,836.45/135,017.64 = 54,817.74/x
  3. Step 3: Cross multiply
    97,836.45x = 135,017.64 × 54,817.74
  4. Step 4: Simplify right side
    97,836.45x = 7,401,361,884.93
  5. Step 5: Solve for x
    x = 7,401,361,884.93/97,836.45
  6. Step 6: Final answer
    x = 75,650.35

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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.