Home / 83,959.72-125,939.42-57,584.50

Finding the Fourth Proportional to 83,959.72, 125,939.42 and 57,584.50

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Solution

The fourth proportional to 83,959.72, 125,939.42 and 57,584.50 is: 86,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,959.72 : 125,939.42 = 57,584.50 : x
  2. Step 2: Convert to fraction form
    83,959.72/125,939.42 = 57,584.50/x
  3. Step 3: Cross multiply
    83,959.72x = 125,939.42 × 57,584.50
  4. Step 4: Simplify right side
    83,959.72x = 7,252,158,530.99
  5. Step 5: Solve for x
    x = 7,252,158,530.99/83,959.72
  6. Step 6: Final answer
    x = 86,376.64

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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.