Home / 83,455.79-125,194.30-26,509.38

Finding the Fourth Proportional to 83,455.79, 125,194.30 and 26,509.38

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Solution

The fourth proportional to 83,455.79, 125,194.30 and 26,509.38 is: 39,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,455.79 : 125,194.30 = 26,509.38 : x
  2. Step 2: Convert to fraction form
    83,455.79/125,194.30 = 26,509.38/x
  3. Step 3: Cross multiply
    83,455.79x = 125,194.30 × 26,509.38
  4. Step 4: Simplify right side
    83,455.79x = 3,318,823,356.60
  5. Step 5: Solve for x
    x = 3,318,823,356.60/83,455.79
  6. Step 6: Final answer
    x = 39,767.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.