Home / 89,218.58-123,110.21-50,980.56

Finding the Fourth Proportional to 89,218.58, 123,110.21 and 50,980.56

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Solution

The fourth proportional to 89,218.58, 123,110.21 and 50,980.56 is: 70,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,218.58 : 123,110.21 = 50,980.56 : x
  2. Step 2: Convert to fraction form
    89,218.58/123,110.21 = 50,980.56/x
  3. Step 3: Cross multiply
    89,218.58x = 123,110.21 × 50,980.56
  4. Step 4: Simplify right side
    89,218.58x = 6,276,227,113.31
  5. Step 5: Solve for x
    x = 6,276,227,113.31/89,218.58
  6. Step 6: Final answer
    x = 70,346.64

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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.