Home / 123,566.19-170,521.41-66,977.56

Finding the Fourth Proportional to 123,566.19, 170,521.41 and 66,977.56

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Solution

The fourth proportional to 123,566.19, 170,521.41 and 66,977.56 is: 92,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,566.19 : 170,521.41 = 66,977.56 : x
  2. Step 2: Convert to fraction form
    123,566.19/170,521.41 = 66,977.56/x
  3. Step 3: Cross multiply
    123,566.19x = 170,521.41 × 66,977.56
  4. Step 4: Simplify right side
    123,566.19x = 11,421,107,969.56
  5. Step 5: Solve for x
    x = 11,421,107,969.56/123,566.19
  6. Step 6: Final answer
    x = 92,429.07

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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.