Home / 57,080.24-78,751.52-33,187.40

Finding the Fourth Proportional to 57,080.24, 78,751.52 and 33,187.40

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Solution

The fourth proportional to 57,080.24, 78,751.52 and 33,187.40 is: 45,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080.24 : 78,751.52 = 33,187.40 : x
  2. Step 2: Convert to fraction form
    57,080.24/78,751.52 = 33,187.40/x
  3. Step 3: Cross multiply
    57,080.24x = 78,751.52 × 33,187.40
  4. Step 4: Simplify right side
    57,080.24x = 2,613,558,194.85
  5. Step 5: Solve for x
    x = 2,613,558,194.85/57,080.24
  6. Step 6: Final answer
    x = 45,787.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.