Home / 112,329.23-168,348.41-45,691.43

Finding the Fourth Proportional to 112,329.23, 168,348.41 and 45,691.43

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Solution

The fourth proportional to 112,329.23, 168,348.41 and 45,691.43 is: 68,477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,329.23 : 168,348.41 = 45,691.43 : x
  2. Step 2: Convert to fraction form
    112,329.23/168,348.41 = 45,691.43/x
  3. Step 3: Cross multiply
    112,329.23x = 168,348.41 × 45,691.43
  4. Step 4: Simplify right side
    112,329.23x = 7,692,079,362.67
  5. Step 5: Solve for x
    x = 7,692,079,362.67/112,329.23
  6. Step 6: Final answer
    x = 68,477.99

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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.