Home / 84,736.80-127,106.16-25,573.04

Finding the Fourth Proportional to 84,736.80, 127,106.16 and 25,573.04

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Solution

The fourth proportional to 84,736.80, 127,106.16 and 25,573.04 is: 38,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.80 : 127,106.16 = 25,573.04 : x
  2. Step 2: Convert to fraction form
    84,736.80/127,106.16 = 25,573.04/x
  3. Step 3: Cross multiply
    84,736.80x = 127,106.16 × 25,573.04
  4. Step 4: Simplify right side
    84,736.80x = 3,250,490,913.93
  5. Step 5: Solve for x
    x = 3,250,490,913.93/84,736.80
  6. Step 6: Final answer
    x = 38,359.85

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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.