Home / 83,521.98-125,223.44-39,124.51

Finding the Fourth Proportional to 83,521.98, 125,223.44 and 39,124.51

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Solution

The fourth proportional to 83,521.98, 125,223.44 and 39,124.51 is: 58,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.98 : 125,223.44 = 39,124.51 : x
  2. Step 2: Convert to fraction form
    83,521.98/125,223.44 = 39,124.51/x
  3. Step 3: Cross multiply
    83,521.98x = 125,223.44 × 39,124.51
  4. Step 4: Simplify right side
    83,521.98x = 4,899,305,221.83
  5. Step 5: Solve for x
    x = 4,899,305,221.83/83,521.98
  6. Step 6: Final answer
    x = 58,658.87

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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.