Home / 125,928.33-173,784.20-68,570.79

Finding the Fourth Proportional to 125,928.33, 173,784.20 and 68,570.79

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Solution

The fourth proportional to 125,928.33, 173,784.20 and 68,570.79 is: 94,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,928.33 : 173,784.20 = 68,570.79 : x
  2. Step 2: Convert to fraction form
    125,928.33/173,784.20 = 68,570.79/x
  3. Step 3: Cross multiply
    125,928.33x = 173,784.20 × 68,570.79
  4. Step 4: Simplify right side
    125,928.33x = 11,916,519,883.52
  5. Step 5: Solve for x
    x = 11,916,519,883.52/125,928.33
  6. Step 6: Final answer
    x = 94,629.38

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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.