Home / 97,767.20-146,699.40-38,604.80

Finding the Fourth Proportional to 97,767.20, 146,699.40 and 38,604.80

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Solution

The fourth proportional to 97,767.20, 146,699.40 and 38,604.80 is: 57,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,767.20 : 146,699.40 = 38,604.80 : x
  2. Step 2: Convert to fraction form
    97,767.20/146,699.40 = 38,604.80/x
  3. Step 3: Cross multiply
    97,767.20x = 146,699.40 × 38,604.80
  4. Step 4: Simplify right side
    97,767.20x = 5,663,300,997.12
  5. Step 5: Solve for x
    x = 5,663,300,997.12/97,767.20
  6. Step 6: Final answer
    x = 57,926.39

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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.