Home / 54,311.10-81,466.65-49,499.70

Finding the Fourth Proportional to 54,311.10, 81,466.65 and 49,499.70

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Solution

The fourth proportional to 54,311.10, 81,466.65 and 49,499.70 is: 74,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.10 : 81,466.65 = 49,499.70 : x
  2. Step 2: Convert to fraction form
    54,311.10/81,466.65 = 49,499.70/x
  3. Step 3: Cross multiply
    54,311.10x = 81,466.65 × 49,499.70
  4. Step 4: Simplify right side
    54,311.10x = 4,032,574,735.01
  5. Step 5: Solve for x
    x = 4,032,574,735.01/54,311.10
  6. Step 6: Final answer
    x = 74,249.55

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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.