Home / 123,056.92-169,818.66-66,468.30

Finding the Fourth Proportional to 123,056.92, 169,818.66 and 66,468.30

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Solution

The fourth proportional to 123,056.92, 169,818.66 and 66,468.30 is: 91,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,056.92 : 169,818.66 = 66,468.30 : x
  2. Step 2: Convert to fraction form
    123,056.92/169,818.66 = 66,468.30/x
  3. Step 3: Cross multiply
    123,056.92x = 169,818.66 × 66,468.30
  4. Step 4: Simplify right side
    123,056.92x = 11,287,557,638.48
  5. Step 5: Solve for x
    x = 11,287,557,638.48/123,056.92
  6. Step 6: Final answer
    x = 91,726.31

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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.