Home / 123,571.14-170,528.01-66,982.50

Finding the Fourth Proportional to 123,571.14, 170,528.01 and 66,982.50

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Solution

The fourth proportional to 123,571.14, 170,528.01 and 66,982.50 is: 92,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,571.14 : 170,528.01 = 66,982.50 : x
  2. Step 2: Convert to fraction form
    123,571.14/170,528.01 = 66,982.50/x
  3. Step 3: Cross multiply
    123,571.14x = 170,528.01 × 66,982.50
  4. Step 4: Simplify right side
    123,571.14x = 11,422,392,429.83
  5. Step 5: Solve for x
    x = 11,422,392,429.83/123,571.14
  6. Step 6: Final answer
    x = 92,435.76

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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.