Home / 123,588.36-170,553.06-66,999.87

Finding the Fourth Proportional to 123,588.36, 170,553.06 and 66,999.87

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Solution

The fourth proportional to 123,588.36, 170,553.06 and 66,999.87 is: 92,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,588.36 : 170,553.06 = 66,999.87 : x
  2. Step 2: Convert to fraction form
    123,588.36/170,553.06 = 66,999.87/x
  3. Step 3: Cross multiply
    123,588.36x = 170,553.06 × 66,999.87
  4. Step 4: Simplify right side
    123,588.36x = 11,427,032,848.10
  5. Step 5: Solve for x
    x = 11,427,032,848.10/123,588.36
  6. Step 6: Final answer
    x = 92,460.43

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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.