Home / 123,828.08-170,874.59-68,633.73

Finding the Fourth Proportional to 123,828.08, 170,874.59 and 68,633.73

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Solution

The fourth proportional to 123,828.08, 170,874.59 and 68,633.73 is: 94,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,828.08 : 170,874.59 = 68,633.73 : x
  2. Step 2: Convert to fraction form
    123,828.08/170,874.59 = 68,633.73/x
  3. Step 3: Cross multiply
    123,828.08x = 170,874.59 × 68,633.73
  4. Step 4: Simplify right side
    123,828.08x = 11,727,760,130.75
  5. Step 5: Solve for x
    x = 11,727,760,130.75/123,828.08
  6. Step 6: Final answer
    x = 94,710.03

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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.