Home / 54,068.16-81,131.34-22,500

Finding the Fourth Proportional to 54,068.16, 81,131.34 and 22,500

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Solution

The fourth proportional to 54,068.16, 81,131.34 and 22,500 is: 33,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,068.16 : 81,131.34 = 22,500 : x
  2. Step 2: Convert to fraction form
    54,068.16/81,131.34 = 22,500/x
  3. Step 3: Cross multiply
    54,068.16x = 81,131.34 × 22,500
  4. Step 4: Simplify right side
    54,068.16x = 1,825,455,150
  5. Step 5: Solve for x
    x = 1,825,455,150/54,068.16
  6. Step 6: Final answer
    x = 33,762.11

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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.