Home / 123,056.10-169,817.40-66,467.46

Finding the Fourth Proportional to 123,056.10, 169,817.40 and 66,467.46

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Solution

The fourth proportional to 123,056.10, 169,817.40 and 66,467.46 is: 91,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,056.10 : 169,817.40 = 66,467.46 : x
  2. Step 2: Convert to fraction form
    123,056.10/169,817.40 = 66,467.46/x
  3. Step 3: Cross multiply
    123,056.10x = 169,817.40 × 66,467.46
  4. Step 4: Simplify right side
    123,056.10x = 11,287,331,241.80
  5. Step 5: Solve for x
    x = 11,287,331,241.80/123,056.10
  6. Step 6: Final answer
    x = 91,725.09

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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.