Home / 75,721.58-104,492.04-43,900.82

Finding the Fourth Proportional to 75,721.58, 104,492.04 and 43,900.82

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Solution

The fourth proportional to 75,721.58, 104,492.04 and 43,900.82 is: 60,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,721.58 : 104,492.04 = 43,900.82 : x
  2. Step 2: Convert to fraction form
    75,721.58/104,492.04 = 43,900.82/x
  3. Step 3: Cross multiply
    75,721.58x = 104,492.04 × 43,900.82
  4. Step 4: Simplify right side
    75,721.58x = 4,587,286,239.47
  5. Step 5: Solve for x
    x = 4,587,286,239.47/75,721.58
  6. Step 6: Final answer
    x = 60,580.96

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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.