Home / 54,500.04-81,705.48-28,212.28

Finding the Fourth Proportional to 54,500.04, 81,705.48 and 28,212.28

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Solution

The fourth proportional to 54,500.04, 81,705.48 and 28,212.28 is: 42,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,500.04 : 81,705.48 = 28,212.28 : x
  2. Step 2: Convert to fraction form
    54,500.04/81,705.48 = 28,212.28/x
  3. Step 3: Cross multiply
    54,500.04x = 81,705.48 × 28,212.28
  4. Step 4: Simplify right side
    54,500.04x = 2,305,097,879.29
  5. Step 5: Solve for x
    x = 2,305,097,879.29/54,500.04
  6. Step 6: Final answer
    x = 42,295.34

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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.