Home / 84,747.88-127,122.70-25,584.04

Finding the Fourth Proportional to 84,747.88, 127,122.70 and 25,584.04

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Solution

The fourth proportional to 84,747.88, 127,122.70 and 25,584.04 is: 38,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,747.88 : 127,122.70 = 25,584.04 : x
  2. Step 2: Convert to fraction form
    84,747.88/127,122.70 = 25,584.04/x
  3. Step 3: Cross multiply
    84,747.88x = 127,122.70 × 25,584.04
  4. Step 4: Simplify right side
    84,747.88x = 3,252,312,241.71
  5. Step 5: Solve for x
    x = 3,252,312,241.71/84,747.88
  6. Step 6: Final answer
    x = 38,376.33

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1.5x scale

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.