Home / 122,912.72-169,667.16-96,063.87

Finding the Fourth Proportional to 122,912.72, 169,667.16 and 96,063.87

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Solution

The fourth proportional to 122,912.72, 169,667.16 and 96,063.87 is: 132,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,912.72 : 169,667.16 = 96,063.87 : x
  2. Step 2: Convert to fraction form
    122,912.72/169,667.16 = 96,063.87/x
  3. Step 3: Cross multiply
    122,912.72x = 169,667.16 × 96,063.87
  4. Step 4: Simplify right side
    122,912.72x = 16,298,884,277.52
  5. Step 5: Solve for x
    x = 16,298,884,277.52/122,912.72
  6. Step 6: Final answer
    x = 132,605.35

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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.