Home / 52,745.59-72,786.12-28,867.66

Finding the Fourth Proportional to 52,745.59, 72,786.12 and 28,867.66

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Solution

The fourth proportional to 52,745.59, 72,786.12 and 28,867.66 is: 39,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.59 : 72,786.12 = 28,867.66 : x
  2. Step 2: Convert to fraction form
    52,745.59/72,786.12 = 28,867.66/x
  3. Step 3: Cross multiply
    52,745.59x = 72,786.12 × 28,867.66
  4. Step 4: Simplify right side
    52,745.59x = 2,101,164,964.88
  5. Step 5: Solve for x
    x = 2,101,164,964.88/52,745.59
  6. Step 6: Final answer
    x = 39,835.84

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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.