Home / 97,919.69-135,104.96-57,630.29

Finding the Fourth Proportional to 97,919.69, 135,104.96 and 57,630.29

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Solution

The fourth proportional to 97,919.69, 135,104.96 and 57,630.29 is: 79,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,919.69 : 135,104.96 = 57,630.29 : x
  2. Step 2: Convert to fraction form
    97,919.69/135,104.96 = 57,630.29/x
  3. Step 3: Cross multiply
    97,919.69x = 135,104.96 × 57,630.29
  4. Step 4: Simplify right side
    97,919.69x = 7,786,137,493.79
  5. Step 5: Solve for x
    x = 7,786,137,493.79/97,919.69
  6. Step 6: Final answer
    x = 79,515.55

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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.