Home / 54,748.20-82,124.73-21,465.30

Finding the Fourth Proportional to 54,748.20, 82,124.73 and 21,465.30

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Solution

The fourth proportional to 54,748.20, 82,124.73 and 21,465.30 is: 32,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,748.20 : 82,124.73 = 21,465.30 : x
  2. Step 2: Convert to fraction form
    54,748.20/82,124.73 = 21,465.30/x
  3. Step 3: Cross multiply
    54,748.20x = 82,124.73 × 21,465.30
  4. Step 4: Simplify right side
    54,748.20x = 1,762,831,966.87
  5. Step 5: Solve for x
    x = 1,762,831,966.87/54,748.20
  6. Step 6: Final answer
    x = 32,198.90

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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.