Home / 54,108.05-81,166.67-14,132.33

Finding the Fourth Proportional to 54,108.05, 81,166.67 and 14,132.33

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Solution

The fourth proportional to 54,108.05, 81,166.67 and 14,132.33 is: 21,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.05 : 81,166.67 = 14,132.33 : x
  2. Step 2: Convert to fraction form
    54,108.05/81,166.67 = 14,132.33/x
  3. Step 3: Cross multiply
    54,108.05x = 81,166.67 × 14,132.33
  4. Step 4: Simplify right side
    54,108.05x = 1,147,073,688.95
  5. Step 5: Solve for x
    x = 1,147,073,688.95/54,108.05
  6. Step 6: Final answer
    x = 21,199.69

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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.