Home / 83,835.91-125,795.33-61,747.21

Finding the Fourth Proportional to 83,835.91, 125,795.33 and 61,747.21

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Solution

The fourth proportional to 83,835.91, 125,795.33 and 61,747.21 is: 92,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,835.91 : 125,795.33 = 61,747.21 : x
  2. Step 2: Convert to fraction form
    83,835.91/125,795.33 = 61,747.21/x
  3. Step 3: Cross multiply
    83,835.91x = 125,795.33 × 61,747.21
  4. Step 4: Simplify right side
    83,835.91x = 7,767,510,738.59
  5. Step 5: Solve for x
    x = 7,767,510,738.59/83,835.91
  6. Step 6: Final answer
    x = 92,651.35

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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.