Home / 54,327.40-81,491.10-36,701.80

Finding the Fourth Proportional to 54,327.40, 81,491.10 and 36,701.80

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Solution

The fourth proportional to 54,327.40, 81,491.10 and 36,701.80 is: 55,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.40 : 81,491.10 = 36,701.80 : x
  2. Step 2: Convert to fraction form
    54,327.40/81,491.10 = 36,701.80/x
  3. Step 3: Cross multiply
    54,327.40x = 81,491.10 × 36,701.80
  4. Step 4: Simplify right side
    54,327.40x = 2,990,870,053.98
  5. Step 5: Solve for x
    x = 2,990,870,053.98/54,327.40
  6. Step 6: Final answer
    x = 55,052.70

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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.