Home / 54,022.60-81,033.90-47,110.60

Finding the Fourth Proportional to 54,022.60, 81,033.90 and 47,110.60

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Solution

The fourth proportional to 54,022.60, 81,033.90 and 47,110.60 is: 70,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,022.60 : 81,033.90 = 47,110.60 : x
  2. Step 2: Convert to fraction form
    54,022.60/81,033.90 = 47,110.60/x
  3. Step 3: Cross multiply
    54,022.60x = 81,033.90 × 47,110.60
  4. Step 4: Simplify right side
    54,022.60x = 3,817,555,649.34
  5. Step 5: Solve for x
    x = 3,817,555,649.34/54,022.60
  6. Step 6: Final answer
    x = 70,665.90

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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.