Home / 54,664.20-81,996.30-49,307.40

Finding the Fourth Proportional to 54,664.20, 81,996.30 and 49,307.40

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Solution

The fourth proportional to 54,664.20, 81,996.30 and 49,307.40 is: 73,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,664.20 : 81,996.30 = 49,307.40 : x
  2. Step 2: Convert to fraction form
    54,664.20/81,996.30 = 49,307.40/x
  3. Step 3: Cross multiply
    54,664.20x = 81,996.30 × 49,307.40
  4. Step 4: Simplify right side
    54,664.20x = 4,043,024,362.62
  5. Step 5: Solve for x
    x = 4,043,024,362.62/54,664.20
  6. Step 6: Final answer
    x = 73,961.10

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1.5x scale

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.