Home / 84,540.32-116,664.79-45,777.95

Finding the Fourth Proportional to 84,540.32, 116,664.79 and 45,777.95

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Solution

The fourth proportional to 84,540.32, 116,664.79 and 45,777.95 is: 63,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,540.32 : 116,664.79 = 45,777.95 : x
  2. Step 2: Convert to fraction form
    84,540.32/116,664.79 = 45,777.95/x
  3. Step 3: Cross multiply
    84,540.32x = 116,664.79 × 45,777.95
  4. Step 4: Simplify right side
    84,540.32x = 5,340,674,923.38
  5. Step 5: Solve for x
    x = 5,340,674,923.38/84,540.32
  6. Step 6: Final answer
    x = 63,173.11

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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.