Home / 75,751.82-104,538.03-42,219.98

Finding the Fourth Proportional to 75,751.82, 104,538.03 and 42,219.98

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Solution

The fourth proportional to 75,751.82, 104,538.03 and 42,219.98 is: 58,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,751.82 : 104,538.03 = 42,219.98 : x
  2. Step 2: Convert to fraction form
    75,751.82/104,538.03 = 42,219.98/x
  3. Step 3: Cross multiply
    75,751.82x = 104,538.03 × 42,219.98
  4. Step 4: Simplify right side
    75,751.82x = 4,413,593,535.84
  5. Step 5: Solve for x
    x = 4,413,593,535.84/75,751.82
  6. Step 6: Final answer
    x = 58,263.86

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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.