Home / 171,769.76-257,667.05-57,917.96

Finding the Fourth Proportional to 171,769.76, 257,667.05 and 57,917.96

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Solution

The fourth proportional to 171,769.76, 257,667.05 and 57,917.96 is: 86,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,769.76 : 257,667.05 = 57,917.96 : x
  2. Step 2: Convert to fraction form
    171,769.76/257,667.05 = 57,917.96/x
  3. Step 3: Cross multiply
    171,769.76x = 257,667.05 × 57,917.96
  4. Step 4: Simplify right side
    171,769.76x = 14,923,548,317.29
  5. Step 5: Solve for x
    x = 14,923,548,317.29/171,769.76
  6. Step 6: Final answer
    x = 86,881.12

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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.