Home / 43,180.08-64,761.48-12,006.96

Finding the Fourth Proportional to 43,180.08, 64,761.48 and 12,006.96

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Solution

The fourth proportional to 43,180.08, 64,761.48 and 12,006.96 is: 18,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180.08 : 64,761.48 = 12,006.96 : x
  2. Step 2: Convert to fraction form
    43,180.08/64,761.48 = 12,006.96/x
  3. Step 3: Cross multiply
    43,180.08x = 64,761.48 × 12,006.96
  4. Step 4: Simplify right side
    43,180.08x = 777,588,499.90
  5. Step 5: Solve for x
    x = 777,588,499.90/43,180.08
  6. Step 6: Final answer
    x = 18,008.04

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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.