Home / 42,333.43-63,495.28-11,171.11

Finding the Fourth Proportional to 42,333.43, 63,495.28 and 11,171.11

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Solution

The fourth proportional to 42,333.43, 63,495.28 and 11,171.11 is: 16,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,333.43 : 63,495.28 = 11,171.11 : x
  2. Step 2: Convert to fraction form
    42,333.43/63,495.28 = 11,171.11/x
  3. Step 3: Cross multiply
    42,333.43x = 63,495.28 × 11,171.11
  4. Step 4: Simplify right side
    42,333.43x = 709,312,757.36
  5. Step 5: Solve for x
    x = 709,312,757.36/42,333.43
  6. Step 6: Final answer
    x = 16,755.38

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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.