Home / 95,022.51-131,023.76-71,072.43

Finding the Fourth Proportional to 95,022.51, 131,023.76 and 71,072.43

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Solution

The fourth proportional to 95,022.51, 131,023.76 and 71,072.43 is: 97,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,022.51 : 131,023.76 = 71,072.43 : x
  2. Step 2: Convert to fraction form
    95,022.51/131,023.76 = 71,072.43/x
  3. Step 3: Cross multiply
    95,022.51x = 131,023.76 × 71,072.43
  4. Step 4: Simplify right side
    95,022.51x = 9,312,176,655.57
  5. Step 5: Solve for x
    x = 9,312,176,655.57/95,022.51
  6. Step 6: Final answer
    x = 97,999.69

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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.