Home / 112,872.29-169,333.94-56,739.29

Finding the Fourth Proportional to 112,872.29, 169,333.94 and 56,739.29

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Solution

The fourth proportional to 112,872.29, 169,333.94 and 56,739.29 is: 85,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,872.29 : 169,333.94 = 56,739.29 : x
  2. Step 2: Convert to fraction form
    112,872.29/169,333.94 = 56,739.29/x
  3. Step 3: Cross multiply
    112,872.29x = 169,333.94 × 56,739.29
  4. Step 4: Simplify right side
    112,872.29x = 9,607,886,823.68
  5. Step 5: Solve for x
    x = 9,607,886,823.68/112,872.29
  6. Step 6: Final answer
    x = 85,121.75

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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.