Home / 54,200.70-81,193.05-47,706.30

Finding the Fourth Proportional to 54,200.70, 81,193.05 and 47,706.30

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Solution

The fourth proportional to 54,200.70, 81,193.05 and 47,706.30 is: 71,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,200.70 : 81,193.05 = 47,706.30 : x
  2. Step 2: Convert to fraction form
    54,200.70/81,193.05 = 47,706.30/x
  3. Step 3: Cross multiply
    54,200.70x = 81,193.05 × 47,706.30
  4. Step 4: Simplify right side
    54,200.70x = 3,873,420,001.22
  5. Step 5: Solve for x
    x = 3,873,420,001.22/54,200.70
  6. Step 6: Final answer
    x = 71,464.39

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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.