Home / 54,305.12-81,407.50-37,672.96

Finding the Fourth Proportional to 54,305.12, 81,407.50 and 37,672.96

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Solution

The fourth proportional to 54,305.12, 81,407.50 and 37,672.96 is: 56,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.12 : 81,407.50 = 37,672.96 : x
  2. Step 2: Convert to fraction form
    54,305.12/81,407.50 = 37,672.96/x
  3. Step 3: Cross multiply
    54,305.12x = 81,407.50 × 37,672.96
  4. Step 4: Simplify right side
    54,305.12x = 3,066,861,491.20
  5. Step 5: Solve for x
    x = 3,066,861,491.20/54,305.12
  6. Step 6: Final answer
    x = 56,474.63

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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.