Home / 43,331.64-64,997.16-12,166.92

Finding the Fourth Proportional to 43,331.64, 64,997.16 and 12,166.92

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Solution

The fourth proportional to 43,331.64, 64,997.16 and 12,166.92 is: 18,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.64 : 64,997.16 = 12,166.92 : x
  2. Step 2: Convert to fraction form
    43,331.64/64,997.16 = 12,166.92/x
  3. Step 3: Cross multiply
    43,331.64x = 64,997.16 × 12,166.92
  4. Step 4: Simplify right side
    43,331.64x = 790,815,245.95
  5. Step 5: Solve for x
    x = 790,815,245.95/43,331.64
  6. Step 6: Final answer
    x = 18,250.30

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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.