Home / 123,916.01-171,006.60-67,331.03

Finding the Fourth Proportional to 123,916.01, 171,006.60 and 67,331.03

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Solution

The fourth proportional to 123,916.01, 171,006.60 and 67,331.03 is: 92,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,916.01 : 171,006.60 = 67,331.03 : x
  2. Step 2: Convert to fraction form
    123,916.01/171,006.60 = 67,331.03/x
  3. Step 3: Cross multiply
    123,916.01x = 171,006.60 × 67,331.03
  4. Step 4: Simplify right side
    123,916.01x = 11,514,049,659.77
  5. Step 5: Solve for x
    x = 11,514,049,659.77/123,916.01
  6. Step 6: Final answer
    x = 92,918.18

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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.