Home / 83,521.84-125,223.25-39,124.38

Finding the Fourth Proportional to 83,521.84, 125,223.25 and 39,124.38

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Solution

The fourth proportional to 83,521.84, 125,223.25 and 39,124.38 is: 58,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.84 : 125,223.25 = 39,124.38 : x
  2. Step 2: Convert to fraction form
    83,521.84/125,223.25 = 39,124.38/x
  3. Step 3: Cross multiply
    83,521.84x = 125,223.25 × 39,124.38
  4. Step 4: Simplify right side
    83,521.84x = 4,899,282,017.84
  5. Step 5: Solve for x
    x = 4,899,282,017.84/83,521.84
  6. Step 6: Final answer
    x = 58,658.69

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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.