Home / 53,001.75-79,503.07-15,562.43

Finding the Fourth Proportional to 53,001.75, 79,503.07 and 15,562.43

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Solution

The fourth proportional to 53,001.75, 79,503.07 and 15,562.43 is: 23,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.75 : 79,503.07 = 15,562.43 : x
  2. Step 2: Convert to fraction form
    53,001.75/79,503.07 = 15,562.43/x
  3. Step 3: Cross multiply
    53,001.75x = 79,503.07 × 15,562.43
  4. Step 4: Simplify right side
    53,001.75x = 1,237,260,961.66
  5. Step 5: Solve for x
    x = 1,237,260,961.66/53,001.75
  6. Step 6: Final answer
    x = 23,343.78

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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.