Home / 53,203.86-79,781.29-15,750.54

Finding the Fourth Proportional to 53,203.86, 79,781.29 and 15,750.54

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Solution

The fourth proportional to 53,203.86, 79,781.29 and 15,750.54 is: 23,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.86 : 79,781.29 = 15,750.54 : x
  2. Step 2: Convert to fraction form
    53,203.86/79,781.29 = 15,750.54/x
  3. Step 3: Cross multiply
    53,203.86x = 79,781.29 × 15,750.54
  4. Step 4: Simplify right side
    53,203.86x = 1,256,598,399.40
  5. Step 5: Solve for x
    x = 1,256,598,399.40/53,203.86
  6. Step 6: Final answer
    x = 23,618.56

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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.