Home / 112,908.17-169,362.32-28,674.65

Finding the Fourth Proportional to 112,908.17, 169,362.32 and 28,674.65

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Solution

The fourth proportional to 112,908.17, 169,362.32 and 28,674.65 is: 43,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,908.17 : 169,362.32 = 28,674.65 : x
  2. Step 2: Convert to fraction form
    112,908.17/169,362.32 = 28,674.65/x
  3. Step 3: Cross multiply
    112,908.17x = 169,362.32 × 28,674.65
  4. Step 4: Simplify right side
    112,908.17x = 4,856,405,249.19
  5. Step 5: Solve for x
    x = 4,856,405,249.19/112,908.17
  6. Step 6: Final answer
    x = 43,011.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.