Home / 83,556.36-125,315.04-39,140.88

Finding the Fourth Proportional to 83,556.36, 125,315.04 and 39,140.88

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Solution

The fourth proportional to 83,556.36, 125,315.04 and 39,140.88 is: 58,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,556.36 : 125,315.04 = 39,140.88 : x
  2. Step 2: Convert to fraction form
    83,556.36/125,315.04 = 39,140.88/x
  3. Step 3: Cross multiply
    83,556.36x = 125,315.04 × 39,140.88
  4. Step 4: Simplify right side
    83,556.36x = 4,904,940,942.84
  5. Step 5: Solve for x
    x = 4,904,940,942.84/83,556.36
  6. Step 6: Final answer
    x = 58,702.19

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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.