Home / 68,836.32-103,332.24-27,312.48

Finding the Fourth Proportional to 68,836.32, 103,332.24 and 27,312.48

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Solution

The fourth proportional to 68,836.32, 103,332.24 and 27,312.48 is: 40,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,836.32 : 103,332.24 = 27,312.48 : x
  2. Step 2: Convert to fraction form
    68,836.32/103,332.24 = 27,312.48/x
  3. Step 3: Cross multiply
    68,836.32x = 103,332.24 × 27,312.48
  4. Step 4: Simplify right side
    68,836.32x = 2,822,259,738.36
  5. Step 5: Solve for x
    x = 2,822,259,738.36/68,836.32
  6. Step 6: Final answer
    x = 40,999.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.