Home / 123,934.01-171,028.95-67,345.25

Finding the Fourth Proportional to 123,934.01, 171,028.95 and 67,345.25

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Solution

The fourth proportional to 123,934.01, 171,028.95 and 67,345.25 is: 92,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,934.01 : 171,028.95 = 67,345.25 : x
  2. Step 2: Convert to fraction form
    123,934.01/171,028.95 = 67,345.25/x
  3. Step 3: Cross multiply
    123,934.01x = 171,028.95 × 67,345.25
  4. Step 4: Simplify right side
    123,934.01x = 11,517,987,394.99
  5. Step 5: Solve for x
    x = 11,517,987,394.99/123,934.01
  6. Step 6: Final answer
    x = 92,936.45

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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.