Home / 125,212.70-172,794.06-67,852.15

Finding the Fourth Proportional to 125,212.70, 172,794.06 and 67,852.15

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Solution

The fourth proportional to 125,212.70, 172,794.06 and 67,852.15 is: 93,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,212.70 : 172,794.06 = 67,852.15 : x
  2. Step 2: Convert to fraction form
    125,212.70/172,794.06 = 67,852.15/x
  3. Step 3: Cross multiply
    125,212.70x = 172,794.06 × 67,852.15
  4. Step 4: Simplify right side
    125,212.70x = 11,724,448,046.24
  5. Step 5: Solve for x
    x = 11,724,448,046.24/125,212.70
  6. Step 6: Final answer
    x = 93,636.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.