Home / 97,337.14-145,942.94-38,178.79

Finding the Fourth Proportional to 97,337.14, 145,942.94 and 38,178.79

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Solution

The fourth proportional to 97,337.14, 145,942.94 and 38,178.79 is: 57,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,337.14 : 145,942.94 = 38,178.79 : x
  2. Step 2: Convert to fraction form
    97,337.14/145,942.94 = 38,178.79/x
  3. Step 3: Cross multiply
    97,337.14x = 145,942.94 × 38,178.79
  4. Step 4: Simplify right side
    97,337.14x = 5,571,924,667.35
  5. Step 5: Solve for x
    x = 5,571,924,667.35/97,337.14
  6. Step 6: Final answer
    x = 57,243.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.