Home / 83,474.85-115,194.65-45,749.01

Finding the Fourth Proportional to 83,474.85, 115,194.65 and 45,749.01

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Solution

The fourth proportional to 83,474.85, 115,194.65 and 45,749.01 is: 63,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,474.85 : 115,194.65 = 45,749.01 : x
  2. Step 2: Convert to fraction form
    83,474.85/115,194.65 = 45,749.01/x
  3. Step 3: Cross multiply
    83,474.85x = 115,194.65 × 45,749.01
  4. Step 4: Simplify right side
    83,474.85x = 5,270,040,966.05
  5. Step 5: Solve for x
    x = 5,270,040,966.05/83,474.85
  6. Step 6: Final answer
    x = 63,133.28

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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.