Home / 112,722.14-169,083.18-28,482.54

Finding the Fourth Proportional to 112,722.14, 169,083.18 and 28,482.54

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Solution

The fourth proportional to 112,722.14, 169,083.18 and 28,482.54 is: 42,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,722.14 : 169,083.18 = 28,482.54 : x
  2. Step 2: Convert to fraction form
    112,722.14/169,083.18 = 28,482.54/x
  3. Step 3: Cross multiply
    112,722.14x = 169,083.18 × 28,482.54
  4. Step 4: Simplify right side
    112,722.14x = 4,815,918,437.68
  5. Step 5: Solve for x
    x = 4,815,918,437.68/112,722.14
  6. Step 6: Final answer
    x = 42,723.80

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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.