Home / 112,369.36-168,555.12-45,796

Finding the Fourth Proportional to 112,369.36, 168,555.12 and 45,796

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Solution

The fourth proportional to 112,369.36, 168,555.12 and 45,796 is: 68,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,369.36 : 168,555.12 = 45,796 : x
  2. Step 2: Convert to fraction form
    112,369.36/168,555.12 = 45,796/x
  3. Step 3: Cross multiply
    112,369.36x = 168,555.12 × 45,796
  4. Step 4: Simplify right side
    112,369.36x = 7,719,150,275.52
  5. Step 5: Solve for x
    x = 7,719,150,275.52/112,369.36
  6. Step 6: Final answer
    x = 68,694.44

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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.