Home / 127,825.92-191,763.48-57,705.24

Finding the Fourth Proportional to 127,825.92, 191,763.48 and 57,705.24

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Solution

The fourth proportional to 127,825.92, 191,763.48 and 57,705.24 is: 86,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,825.92 : 191,763.48 = 57,705.24 : x
  2. Step 2: Convert to fraction form
    127,825.92/191,763.48 = 57,705.24/x
  3. Step 3: Cross multiply
    127,825.92x = 191,763.48 × 57,705.24
  4. Step 4: Simplify right side
    127,825.92x = 11,065,757,636.64
  5. Step 5: Solve for x
    x = 11,065,757,636.64/127,825.92
  6. Step 6: Final answer
    x = 86,568.97

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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.