Home / 123,313.80-170,173.14-66,725.04

Finding the Fourth Proportional to 123,313.80, 170,173.14 and 66,725.04

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Solution

The fourth proportional to 123,313.80, 170,173.14 and 66,725.04 is: 92,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,313.80 : 170,173.14 = 66,725.04 : x
  2. Step 2: Convert to fraction form
    123,313.80/170,173.14 = 66,725.04/x
  3. Step 3: Cross multiply
    123,313.80x = 170,173.14 × 66,725.04
  4. Step 4: Simplify right side
    123,313.80x = 11,354,809,573.43
  5. Step 5: Solve for x
    x = 11,354,809,573.43/123,313.80
  6. Step 6: Final answer
    x = 92,080.61

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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.