Home / 54,533.20-81,702.60-33,732.40

Finding the Fourth Proportional to 54,533.20, 81,702.60 and 33,732.40

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Solution

The fourth proportional to 54,533.20, 81,702.60 and 33,732.40 is: 50,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,533.20 : 81,702.60 = 33,732.40 : x
  2. Step 2: Convert to fraction form
    54,533.20/81,702.60 = 33,732.40/x
  3. Step 3: Cross multiply
    54,533.20x = 81,702.60 × 33,732.40
  4. Step 4: Simplify right side
    54,533.20x = 2,756,024,784.24
  5. Step 5: Solve for x
    x = 2,756,024,784.24/54,533.20
  6. Step 6: Final answer
    x = 50,538.48

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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.