Home / 54,430.91-81,649.40-16,996.14

Finding the Fourth Proportional to 54,430.91, 81,649.40 and 16,996.14

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Solution

The fourth proportional to 54,430.91, 81,649.40 and 16,996.14 is: 25,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.91 : 81,649.40 = 16,996.14 : x
  2. Step 2: Convert to fraction form
    54,430.91/81,649.40 = 16,996.14/x
  3. Step 3: Cross multiply
    54,430.91x = 81,649.40 × 16,996.14
  4. Step 4: Simplify right side
    54,430.91x = 1,387,724,548.34
  5. Step 5: Solve for x
    x = 1,387,724,548.34/54,430.91
  6. Step 6: Final answer
    x = 25,495.16

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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.