Home / 112,267.18-168,400.29-45,691.52

Finding the Fourth Proportional to 112,267.18, 168,400.29 and 45,691.52

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Solution

The fourth proportional to 112,267.18, 168,400.29 and 45,691.52 is: 68,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267.18 : 168,400.29 = 45,691.52 : x
  2. Step 2: Convert to fraction form
    112,267.18/168,400.29 = 45,691.52/x
  3. Step 3: Cross multiply
    112,267.18x = 168,400.29 × 45,691.52
  4. Step 4: Simplify right side
    112,267.18x = 7,694,465,810.88
  5. Step 5: Solve for x
    x = 7,694,465,810.88/112,267.18
  6. Step 6: Final answer
    x = 68,537.09

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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.