Home / 53,112.90-79,650.75-15,663.03

Finding the Fourth Proportional to 53,112.90, 79,650.75 and 15,663.03

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Solution

The fourth proportional to 53,112.90, 79,650.75 and 15,663.03 is: 23,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.90 : 79,650.75 = 15,663.03 : x
  2. Step 2: Convert to fraction form
    53,112.90/79,650.75 = 15,663.03/x
  3. Step 3: Cross multiply
    53,112.90x = 79,650.75 × 15,663.03
  4. Step 4: Simplify right side
    53,112.90x = 1,247,572,086.77
  5. Step 5: Solve for x
    x = 1,247,572,086.77/53,112.90
  6. Step 6: Final answer
    x = 23,489.06

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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.