Home / 112,855.93-169,234.68-42,686.04

Finding the Fourth Proportional to 112,855.93, 169,234.68 and 42,686.04

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Solution

The fourth proportional to 112,855.93, 169,234.68 and 42,686.04 is: 64,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,855.93 : 169,234.68 = 42,686.04 : x
  2. Step 2: Convert to fraction form
    112,855.93/169,234.68 = 42,686.04/x
  3. Step 3: Cross multiply
    112,855.93x = 169,234.68 × 42,686.04
  4. Step 4: Simplify right side
    112,855.93x = 7,223,957,765.27
  5. Step 5: Solve for x
    x = 7,223,957,765.27/112,855.93
  6. Step 6: Final answer
    x = 64,010.44

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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.