Home / 112,457.08-168,732.52-49,322.57

Finding the Fourth Proportional to 112,457.08, 168,732.52 and 49,322.57

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Solution

The fourth proportional to 112,457.08, 168,732.52 and 49,322.57 is: 74,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,457.08 : 168,732.52 = 49,322.57 : x
  2. Step 2: Convert to fraction form
    112,457.08/168,732.52 = 49,322.57/x
  3. Step 3: Cross multiply
    112,457.08x = 168,732.52 × 49,322.57
  4. Step 4: Simplify right side
    112,457.08x = 8,322,321,511.13
  5. Step 5: Solve for x
    x = 8,322,321,511.13/112,457.08
  6. Step 6: Final answer
    x = 74,004.42

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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.