Home / 92,961.04-128,287.04-50,519.58

Finding the Fourth Proportional to 92,961.04, 128,287.04 and 50,519.58

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Solution

The fourth proportional to 92,961.04, 128,287.04 and 50,519.58 is: 69,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,961.04 : 128,287.04 = 50,519.58 : x
  2. Step 2: Convert to fraction form
    92,961.04/128,287.04 = 50,519.58/x
  3. Step 3: Cross multiply
    92,961.04x = 128,287.04 × 50,519.58
  4. Step 4: Simplify right side
    92,961.04x = 6,481,007,380.24
  5. Step 5: Solve for x
    x = 6,481,007,380.24/92,961.04
  6. Step 6: Final answer
    x = 69,717.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.