Home / 97,133.05-145,786.11-49,780.39

Finding the Fourth Proportional to 97,133.05, 145,786.11 and 49,780.39

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Solution

The fourth proportional to 97,133.05, 145,786.11 and 49,780.39 is: 74,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,133.05 : 145,786.11 = 49,780.39 : x
  2. Step 2: Convert to fraction form
    97,133.05/145,786.11 = 49,780.39/x
  3. Step 3: Cross multiply
    97,133.05x = 145,786.11 × 49,780.39
  4. Step 4: Simplify right side
    97,133.05x = 7,257,289,412.38
  5. Step 5: Solve for x
    x = 7,257,289,412.38/97,133.05
  6. Step 6: Final answer
    x = 74,714.93

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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.