Home / 84,976.49-127,465.04-38,174.69

Finding the Fourth Proportional to 84,976.49, 127,465.04 and 38,174.69

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Solution

The fourth proportional to 84,976.49, 127,465.04 and 38,174.69 is: 57,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,976.49 : 127,465.04 = 38,174.69 : x
  2. Step 2: Convert to fraction form
    84,976.49/127,465.04 = 38,174.69/x
  3. Step 3: Cross multiply
    84,976.49x = 127,465.04 × 38,174.69
  4. Step 4: Simplify right side
    84,976.49x = 4,865,938,801.94
  5. Step 5: Solve for x
    x = 4,865,938,801.94/84,976.49
  6. Step 6: Final answer
    x = 57,262.18

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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.