Home / 97,836.36-135,011.78-54,817.64

Finding the Fourth Proportional to 97,836.36, 135,011.78 and 54,817.64

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Solution

The fourth proportional to 97,836.36, 135,011.78 and 54,817.64 is: 75,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,836.36 : 135,011.78 = 54,817.64 : x
  2. Step 2: Convert to fraction form
    97,836.36/135,011.78 = 54,817.64/x
  3. Step 3: Cross multiply
    97,836.36x = 135,011.78 × 54,817.64
  4. Step 4: Simplify right side
    97,836.36x = 7,401,027,151.80
  5. Step 5: Solve for x
    x = 7,401,027,151.80/97,836.36
  6. Step 6: Final answer
    x = 75,647.00

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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.