Home / 83,119.47-114,829.97-54,507.03

Finding the Fourth Proportional to 83,119.47, 114,829.97 and 54,507.03

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Solution

The fourth proportional to 83,119.47, 114,829.97 and 54,507.03 is: 75,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,119.47 : 114,829.97 = 54,507.03 : x
  2. Step 2: Convert to fraction form
    83,119.47/114,829.97 = 54,507.03/x
  3. Step 3: Cross multiply
    83,119.47x = 114,829.97 × 54,507.03
  4. Step 4: Simplify right side
    83,119.47x = 6,259,040,347.15
  5. Step 5: Solve for x
    x = 6,259,040,347.15/83,119.47
  6. Step 6: Final answer
    x = 75,301.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.