Home / 52,078.08-71,867.64-28,204.68

Finding the Fourth Proportional to 52,078.08, 71,867.64 and 28,204.68

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Solution

The fourth proportional to 52,078.08, 71,867.64 and 28,204.68 is: 38,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.08 : 71,867.64 = 28,204.68 : x
  2. Step 2: Convert to fraction form
    52,078.08/71,867.64 = 28,204.68/x
  3. Step 3: Cross multiply
    52,078.08x = 71,867.64 × 28,204.68
  4. Step 4: Simplify right side
    52,078.08x = 2,027,003,788.56
  5. Step 5: Solve for x
    x = 2,027,003,788.56/52,078.08
  6. Step 6: Final answer
    x = 38,922.40

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1.5x scale

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.