Home / 54,355.80-81,588.42-32,191.32

Finding the Fourth Proportional to 54,355.80, 81,588.42 and 32,191.32

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Solution

The fourth proportional to 54,355.80, 81,588.42 and 32,191.32 is: 48,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355.80 : 81,588.42 = 32,191.32 : x
  2. Step 2: Convert to fraction form
    54,355.80/81,588.42 = 32,191.32/x
  3. Step 3: Cross multiply
    54,355.80x = 81,588.42 × 32,191.32
  4. Step 4: Simplify right side
    54,355.80x = 2,626,438,936.51
  5. Step 5: Solve for x
    x = 2,626,438,936.51/54,355.80
  6. Step 6: Final answer
    x = 48,319.39

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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.