Home / 84,040.38-115,975.75-45,799.94

Finding the Fourth Proportional to 84,040.38, 115,975.75 and 45,799.94

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Solution

The fourth proportional to 84,040.38, 115,975.75 and 45,799.94 is: 63,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,040.38 : 115,975.75 = 45,799.94 : x
  2. Step 2: Convert to fraction form
    84,040.38/115,975.75 = 45,799.94/x
  3. Step 3: Cross multiply
    84,040.38x = 115,975.75 × 45,799.94
  4. Step 4: Simplify right side
    84,040.38x = 5,311,682,566.89
  5. Step 5: Solve for x
    x = 5,311,682,566.89/84,040.38
  6. Step 6: Final answer
    x = 63,203.93

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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.