Home / 97,878.45-146,874.12-52,899.92

Finding the Fourth Proportional to 97,878.45, 146,874.12 and 52,899.92

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Solution

The fourth proportional to 97,878.45, 146,874.12 and 52,899.92 is: 79,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,878.45 : 146,874.12 = 52,899.92 : x
  2. Step 2: Convert to fraction form
    97,878.45/146,874.12 = 52,899.92/x
  3. Step 3: Cross multiply
    97,878.45x = 146,874.12 × 52,899.92
  4. Step 4: Simplify right side
    97,878.45x = 7,769,629,198.07
  5. Step 5: Solve for x
    x = 7,769,629,198.07/97,878.45
  6. Step 6: Final answer
    x = 79,380.39

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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.