Home / 54,337.10-81,396.30-36,622.40

Finding the Fourth Proportional to 54,337.10, 81,396.30 and 36,622.40

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Solution

The fourth proportional to 54,337.10, 81,396.30 and 36,622.40 is: 54,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.10 : 81,396.30 = 36,622.40 : x
  2. Step 2: Convert to fraction form
    54,337.10/81,396.30 = 36,622.40/x
  3. Step 3: Cross multiply
    54,337.10x = 81,396.30 × 36,622.40
  4. Step 4: Simplify right side
    54,337.10x = 2,980,927,857.12
  5. Step 5: Solve for x
    x = 2,980,927,857.12/54,337.10
  6. Step 6: Final answer
    x = 54,859.90

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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.