Home / 54,109.74-81,168.48-14,666.16

Finding the Fourth Proportional to 54,109.74, 81,168.48 and 14,666.16

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Solution

The fourth proportional to 54,109.74, 81,168.48 and 14,666.16 is: 22,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.74 : 81,168.48 = 14,666.16 : x
  2. Step 2: Convert to fraction form
    54,109.74/81,168.48 = 14,666.16/x
  3. Step 3: Cross multiply
    54,109.74x = 81,168.48 × 14,666.16
  4. Step 4: Simplify right side
    54,109.74x = 1,190,429,914.64
  5. Step 5: Solve for x
    x = 1,190,429,914.64/54,109.74
  6. Step 6: Final answer
    x = 22,000.29

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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.