Home / 123,553.06-170,498.63-66,963.22

Finding the Fourth Proportional to 123,553.06, 170,498.63 and 66,963.22

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Solution

The fourth proportional to 123,553.06, 170,498.63 and 66,963.22 is: 92,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,553.06 : 170,498.63 = 66,963.22 : x
  2. Step 2: Convert to fraction form
    123,553.06/170,498.63 = 66,963.22/x
  3. Step 3: Cross multiply
    123,553.06x = 170,498.63 × 66,963.22
  4. Step 4: Simplify right side
    123,553.06x = 11,417,136,083.08
  5. Step 5: Solve for x
    x = 11,417,136,083.08/123,553.06
  6. Step 6: Final answer
    x = 92,406.75

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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.