Home / 89,345.68-123,297.21-51,619.96

Finding the Fourth Proportional to 89,345.68, 123,297.21 and 51,619.96

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Solution

The fourth proportional to 89,345.68, 123,297.21 and 51,619.96 is: 71,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,345.68 : 123,297.21 = 51,619.96 : x
  2. Step 2: Convert to fraction form
    89,345.68/123,297.21 = 51,619.96/x
  3. Step 3: Cross multiply
    89,345.68x = 123,297.21 × 51,619.96
  4. Step 4: Simplify right side
    89,345.68x = 6,364,597,048.31
  5. Step 5: Solve for x
    x = 6,364,597,048.31/89,345.68
  6. Step 6: Final answer
    x = 71,235.64

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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.