Home / 123,960.48-171,062.56-69,509.04

Finding the Fourth Proportional to 123,960.48, 171,062.56 and 69,509.04

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Solution

The fourth proportional to 123,960.48, 171,062.56 and 69,509.04 is: 95,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,960.48 : 171,062.56 = 69,509.04 : x
  2. Step 2: Convert to fraction form
    123,960.48/171,062.56 = 69,509.04/x
  3. Step 3: Cross multiply
    123,960.48x = 171,062.56 × 69,509.04
  4. Step 4: Simplify right side
    123,960.48x = 11,890,394,325.54
  5. Step 5: Solve for x
    x = 11,890,394,325.54/123,960.48
  6. Step 6: Final answer
    x = 95,920.85

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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.