Home / 75,449.70-104,120.07-41,458.55

Finding the Fourth Proportional to 75,449.70, 104,120.07 and 41,458.55

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Solution

The fourth proportional to 75,449.70, 104,120.07 and 41,458.55 is: 57,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,449.70 : 104,120.07 = 41,458.55 : x
  2. Step 2: Convert to fraction form
    75,449.70/104,120.07 = 41,458.55/x
  3. Step 3: Cross multiply
    75,449.70x = 104,120.07 × 41,458.55
  4. Step 4: Simplify right side
    75,449.70x = 4,316,666,607.50
  5. Step 5: Solve for x
    x = 4,316,666,607.50/75,449.70
  6. Step 6: Final answer
    x = 57,212.51

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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.