Home / 112,306.08-168,458.43-28,065.81

Finding the Fourth Proportional to 112,306.08, 168,458.43 and 28,065.81

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Solution

The fourth proportional to 112,306.08, 168,458.43 and 28,065.81 is: 42,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,306.08 : 168,458.43 = 28,065.81 : x
  2. Step 2: Convert to fraction form
    112,306.08/168,458.43 = 28,065.81/x
  3. Step 3: Cross multiply
    112,306.08x = 168,458.43 × 28,065.81
  4. Step 4: Simplify right side
    112,306.08x = 4,727,921,306.66
  5. Step 5: Solve for x
    x = 4,727,921,306.66/112,306.08
  6. Step 6: Final answer
    x = 42,098.54

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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.