Home / 75,973.06-104,857.32-50,086.18

Finding the Fourth Proportional to 75,973.06, 104,857.32 and 50,086.18

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Solution

The fourth proportional to 75,973.06, 104,857.32 and 50,086.18 is: 69,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,973.06 : 104,857.32 = 50,086.18 : x
  2. Step 2: Convert to fraction form
    75,973.06/104,857.32 = 50,086.18/x
  3. Step 3: Cross multiply
    75,973.06x = 104,857.32 × 50,086.18
  4. Step 4: Simplify right side
    75,973.06x = 5,251,902,603.84
  5. Step 5: Solve for x
    x = 5,251,902,603.84/75,973.06
  6. Step 6: Final answer
    x = 69,128.49

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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.