Home / 95,021.76-131,022.72-71,071.68

Finding the Fourth Proportional to 95,021.76, 131,022.72 and 71,071.68

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Solution

The fourth proportional to 95,021.76, 131,022.72 and 71,071.68 is: 97,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,021.76 : 131,022.72 = 71,071.68 : x
  2. Step 2: Convert to fraction form
    95,021.76/131,022.72 = 71,071.68/x
  3. Step 3: Cross multiply
    95,021.76x = 131,022.72 × 71,071.68
  4. Step 4: Simplify right side
    95,021.76x = 9,312,004,828.57
  5. Step 5: Solve for x
    x = 9,312,004,828.57/95,021.76
  6. Step 6: Final answer
    x = 97,998.66

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1.5x scale

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.