Home / 83,456.79-125,195.80-26,510.38

Finding the Fourth Proportional to 83,456.79, 125,195.80 and 26,510.38

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Solution

The fourth proportional to 83,456.79, 125,195.80 and 26,510.38 is: 39,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,456.79 : 125,195.80 = 26,510.38 : x
  2. Step 2: Convert to fraction form
    83,456.79/125,195.80 = 26,510.38/x
  3. Step 3: Cross multiply
    83,456.79x = 125,195.80 × 26,510.38
  4. Step 4: Simplify right side
    83,456.79x = 3,318,988,232.40
  5. Step 5: Solve for x
    x = 3,318,988,232.40/83,456.79
  6. Step 6: Final answer
    x = 39,768.94

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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.