Home / 52,078.77-71,873.13-29,421.92

Finding the Fourth Proportional to 52,078.77, 71,873.13 and 29,421.92

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Solution

The fourth proportional to 52,078.77, 71,873.13 and 29,421.92 is: 40,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.77 : 71,873.13 = 29,421.92 : x
  2. Step 2: Convert to fraction form
    52,078.77/71,873.13 = 29,421.92/x
  3. Step 3: Cross multiply
    52,078.77x = 71,873.13 × 29,421.92
  4. Step 4: Simplify right side
    52,078.77x = 2,114,645,771.02
  5. Step 5: Solve for x
    x = 2,114,645,771.02/52,078.77
  6. Step 6: Final answer
    x = 40,604.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.