Home / 84,734.84-127,103.16-25,571.04

Finding the Fourth Proportional to 84,734.84, 127,103.16 and 25,571.04

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Solution

The fourth proportional to 84,734.84, 127,103.16 and 25,571.04 is: 38,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,734.84 : 127,103.16 = 25,571.04 : x
  2. Step 2: Convert to fraction form
    84,734.84/127,103.16 = 25,571.04/x
  3. Step 3: Cross multiply
    84,734.84x = 127,103.16 × 25,571.04
  4. Step 4: Simplify right side
    84,734.84x = 3,250,159,988.49
  5. Step 5: Solve for x
    x = 3,250,159,988.49/84,734.84
  6. Step 6: Final answer
    x = 38,356.83

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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.