Home / 54,744.40-82,119.30-28,500.40

Finding the Fourth Proportional to 54,744.40, 82,119.30 and 28,500.40

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Solution

The fourth proportional to 54,744.40, 82,119.30 and 28,500.40 is: 42,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,744.40 : 82,119.30 = 28,500.40 : x
  2. Step 2: Convert to fraction form
    54,744.40/82,119.30 = 28,500.40/x
  3. Step 3: Cross multiply
    54,744.40x = 82,119.30 × 28,500.40
  4. Step 4: Simplify right side
    54,744.40x = 2,340,432,897.72
  5. Step 5: Solve for x
    x = 2,340,432,897.72/54,744.40
  6. Step 6: Final answer
    x = 42,752.01

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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.