Home / 112,555.87-168,867.06-53,310.04

Finding the Fourth Proportional to 112,555.87, 168,867.06 and 53,310.04

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Solution

The fourth proportional to 112,555.87, 168,867.06 and 53,310.04 is: 79,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,555.87 : 168,867.06 = 53,310.04 : x
  2. Step 2: Convert to fraction form
    112,555.87/168,867.06 = 53,310.04/x
  3. Step 3: Cross multiply
    112,555.87x = 168,867.06 × 53,310.04
  4. Step 4: Simplify right side
    112,555.87x = 9,002,309,723.28
  5. Step 5: Solve for x
    x = 9,002,309,723.28/112,555.87
  6. Step 6: Final answer
    x = 79,980.81

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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.