Home / 75,747.96-104,536.78-42,213.88

Finding the Fourth Proportional to 75,747.96, 104,536.78 and 42,213.88

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Solution

The fourth proportional to 75,747.96, 104,536.78 and 42,213.88 is: 58,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,747.96 : 104,536.78 = 42,213.88 : x
  2. Step 2: Convert to fraction form
    75,747.96/104,536.78 = 42,213.88/x
  3. Step 3: Cross multiply
    75,747.96x = 104,536.78 × 42,213.88
  4. Step 4: Simplify right side
    75,747.96x = 4,412,903,086.51
  5. Step 5: Solve for x
    x = 4,412,903,086.51/75,747.96
  6. Step 6: Final answer
    x = 58,257.72

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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.