Home / 123,370.44-170,251.02-66,782.04

Finding the Fourth Proportional to 123,370.44, 170,251.02 and 66,782.04

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Solution

The fourth proportional to 123,370.44, 170,251.02 and 66,782.04 is: 92,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,370.44 : 170,251.02 = 66,782.04 : x
  2. Step 2: Convert to fraction form
    123,370.44/170,251.02 = 66,782.04/x
  3. Step 3: Cross multiply
    123,370.44x = 170,251.02 × 66,782.04
  4. Step 4: Simplify right side
    123,370.44x = 11,369,710,427.68
  5. Step 5: Solve for x
    x = 11,369,710,427.68/123,370.44
  6. Step 6: Final answer
    x = 92,159.11

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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.