Home / 53,270.51-79,829.61-39,119.54

Finding the Fourth Proportional to 53,270.51, 79,829.61 and 39,119.54

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Solution

The fourth proportional to 53,270.51, 79,829.61 and 39,119.54 is: 58,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,270.51 : 79,829.61 = 39,119.54 : x
  2. Step 2: Convert to fraction form
    53,270.51/79,829.61 = 39,119.54/x
  3. Step 3: Cross multiply
    53,270.51x = 79,829.61 × 39,119.54
  4. Step 4: Simplify right side
    53,270.51x = 3,122,897,621.58
  5. Step 5: Solve for x
    x = 3,122,897,621.58/53,270.51
  6. Step 6: Final answer
    x = 58,623.39

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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.