Home / 84,848.92-127,275-25,684.36

Finding the Fourth Proportional to 84,848.92, 127,275 and 25,684.36

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Solution

The fourth proportional to 84,848.92, 127,275 and 25,684.36 is: 38,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,848.92 : 127,275 = 25,684.36 : x
  2. Step 2: Convert to fraction form
    84,848.92/127,275 = 25,684.36/x
  3. Step 3: Cross multiply
    84,848.92x = 127,275 × 25,684.36
  4. Step 4: Simplify right side
    84,848.92x = 3,268,976,919
  5. Step 5: Solve for x
    x = 3,268,976,919/84,848.92
  6. Step 6: Final answer
    x = 38,527.03

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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.