Home / 53,867.39-80,801.12-25,780.84

Finding the Fourth Proportional to 53,867.39, 80,801.12 and 25,780.84

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Solution

The fourth proportional to 53,867.39, 80,801.12 and 25,780.84 is: 38,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,867.39 : 80,801.12 = 25,780.84 : x
  2. Step 2: Convert to fraction form
    53,867.39/80,801.12 = 25,780.84/x
  3. Step 3: Cross multiply
    53,867.39x = 80,801.12 × 25,780.84
  4. Step 4: Simplify right side
    53,867.39x = 2,083,120,617.64
  5. Step 5: Solve for x
    x = 2,083,120,617.64/53,867.39
  6. Step 6: Final answer
    x = 38,671.28

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1.5x scale

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.