Home / 84,040.26-115,972.62-45,799.03

Finding the Fourth Proportional to 84,040.26, 115,972.62 and 45,799.03

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Solution

The fourth proportional to 84,040.26, 115,972.62 and 45,799.03 is: 63,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,040.26 : 115,972.62 = 45,799.03 : x
  2. Step 2: Convert to fraction form
    84,040.26/115,972.62 = 45,799.03/x
  3. Step 3: Cross multiply
    84,040.26x = 115,972.62 × 45,799.03
  4. Step 4: Simplify right side
    84,040.26x = 5,311,433,960.89
  5. Step 5: Solve for x
    x = 5,311,433,960.89/84,040.26
  6. Step 6: Final answer
    x = 63,201.07

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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.