Home / 54,322.60-81,435.30-35,611.60

Finding the Fourth Proportional to 54,322.60, 81,435.30 and 35,611.60

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Solution

The fourth proportional to 54,322.60, 81,435.30 and 35,611.60 is: 53,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.60 : 81,435.30 = 35,611.60 : x
  2. Step 2: Convert to fraction form
    54,322.60/81,435.30 = 35,611.60/x
  3. Step 3: Cross multiply
    54,322.60x = 81,435.30 × 35,611.60
  4. Step 4: Simplify right side
    54,322.60x = 2,900,041,329.48
  5. Step 5: Solve for x
    x = 2,900,041,329.48/54,322.60
  6. Step 6: Final answer
    x = 53,385.54

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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.