Home / 54,008.10-81,012.15-50,724.90

Finding the Fourth Proportional to 54,008.10, 81,012.15 and 50,724.90

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Solution

The fourth proportional to 54,008.10, 81,012.15 and 50,724.90 is: 76,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008.10 : 81,012.15 = 50,724.90 : x
  2. Step 2: Convert to fraction form
    54,008.10/81,012.15 = 50,724.90/x
  3. Step 3: Cross multiply
    54,008.10x = 81,012.15 × 50,724.90
  4. Step 4: Simplify right side
    54,008.10x = 4,109,333,207.54
  5. Step 5: Solve for x
    x = 4,109,333,207.54/54,008.10
  6. Step 6: Final answer
    x = 76,087.35

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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.