Home / 123,682.52-170,681.90-69,966.38

Finding the Fourth Proportional to 123,682.52, 170,681.90 and 69,966.38

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Solution

The fourth proportional to 123,682.52, 170,681.90 and 69,966.38 is: 96,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,682.52 : 170,681.90 = 69,966.38 : x
  2. Step 2: Convert to fraction form
    123,682.52/170,681.90 = 69,966.38/x
  3. Step 3: Cross multiply
    123,682.52x = 170,681.90 × 69,966.38
  4. Step 4: Simplify right side
    123,682.52x = 11,941,993,471.28
  5. Step 5: Solve for x
    x = 11,941,993,471.28/123,682.52
  6. Step 6: Final answer
    x = 96,553.61

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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.