Home / 53,066.34-79,553.07-21,456.90

Finding the Fourth Proportional to 53,066.34, 79,553.07 and 21,456.90

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Solution

The fourth proportional to 53,066.34, 79,553.07 and 21,456.90 is: 32,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,066.34 : 79,553.07 = 21,456.90 : x
  2. Step 2: Convert to fraction form
    53,066.34/79,553.07 = 21,456.90/x
  3. Step 3: Cross multiply
    53,066.34x = 79,553.07 × 21,456.90
  4. Step 4: Simplify right side
    53,066.34x = 1,706,962,267.68
  5. Step 5: Solve for x
    x = 1,706,962,267.68/53,066.34
  6. Step 6: Final answer
    x = 32,166.57

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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.