Home / 46,021.77-69,120.18-28,613.25

Finding the Fourth Proportional to 46,021.77, 69,120.18 and 28,613.25

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Solution

The fourth proportional to 46,021.77, 69,120.18 and 28,613.25 is: 42,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,021.77 : 69,120.18 = 28,613.25 : x
  2. Step 2: Convert to fraction form
    46,021.77/69,120.18 = 28,613.25/x
  3. Step 3: Cross multiply
    46,021.77x = 69,120.18 × 28,613.25
  4. Step 4: Simplify right side
    46,021.77x = 1,977,752,990.39
  5. Step 5: Solve for x
    x = 1,977,752,990.39/46,021.77
  6. Step 6: Final answer
    x = 42,974.29

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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.