Home / 54,309.60-81,464.40-32,111.55

Finding the Fourth Proportional to 54,309.60, 81,464.40 and 32,111.55

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Solution

The fourth proportional to 54,309.60, 81,464.40 and 32,111.55 is: 48,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,309.60 : 81,464.40 = 32,111.55 : x
  2. Step 2: Convert to fraction form
    54,309.60/81,464.40 = 32,111.55/x
  3. Step 3: Cross multiply
    54,309.60x = 81,464.40 × 32,111.55
  4. Step 4: Simplify right side
    54,309.60x = 2,615,948,153.82
  5. Step 5: Solve for x
    x = 2,615,948,153.82/54,309.60
  6. Step 6: Final answer
    x = 48,167.33

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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.