Home / 84,840.24-127,208.04-28,675.04

Finding the Fourth Proportional to 84,840.24, 127,208.04 and 28,675.04

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Solution

The fourth proportional to 84,840.24, 127,208.04 and 28,675.04 is: 42,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.24 : 127,208.04 = 28,675.04 : x
  2. Step 2: Convert to fraction form
    84,840.24/127,208.04 = 28,675.04/x
  3. Step 3: Cross multiply
    84,840.24x = 127,208.04 × 28,675.04
  4. Step 4: Simplify right side
    84,840.24x = 3,647,695,635.32
  5. Step 5: Solve for x
    x = 3,647,695,635.32/84,840.24
  6. Step 6: Final answer
    x = 42,994.88

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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.