Home / 112,175.38-168,294.86-45,663.24

Finding the Fourth Proportional to 112,175.38, 168,294.86 and 45,663.24

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Solution

The fourth proportional to 112,175.38, 168,294.86 and 45,663.24 is: 68,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.38 : 168,294.86 = 45,663.24 : x
  2. Step 2: Convert to fraction form
    112,175.38/168,294.86 = 45,663.24/x
  3. Step 3: Cross multiply
    112,175.38x = 168,294.86 × 45,663.24
  4. Step 4: Simplify right side
    112,175.38x = 7,684,888,582.95
  5. Step 5: Solve for x
    x = 7,684,888,582.95/112,175.38
  6. Step 6: Final answer
    x = 68,507.80

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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.