Home / 54,210.70-81,315.60-14,767.75

Finding the Fourth Proportional to 54,210.70, 81,315.60 and 14,767.75

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Solution

The fourth proportional to 54,210.70, 81,315.60 and 14,767.75 is: 22,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,210.70 : 81,315.60 = 14,767.75 : x
  2. Step 2: Convert to fraction form
    54,210.70/81,315.60 = 14,767.75/x
  3. Step 3: Cross multiply
    54,210.70x = 81,315.60 × 14,767.75
  4. Step 4: Simplify right side
    54,210.70x = 1,200,848,451.90
  5. Step 5: Solve for x
    x = 1,200,848,451.90/54,210.70
  6. Step 6: Final answer
    x = 22,151.50

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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.