Home / 54,341.10-81,402.30-36,626.40

Finding the Fourth Proportional to 54,341.10, 81,402.30 and 36,626.40

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Solution

The fourth proportional to 54,341.10, 81,402.30 and 36,626.40 is: 54,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,341.10 : 81,402.30 = 36,626.40 : x
  2. Step 2: Convert to fraction form
    54,341.10/81,402.30 = 36,626.40/x
  3. Step 3: Cross multiply
    54,341.10x = 81,402.30 × 36,626.40
  4. Step 4: Simplify right side
    54,341.10x = 2,981,473,200.72
  5. Step 5: Solve for x
    x = 2,981,473,200.72/54,341.10
  6. Step 6: Final answer
    x = 54,865.90

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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.