Home / 113,583.92-156,738.48-65,833.52

Finding the Fourth Proportional to 113,583.92, 156,738.48 and 65,833.52

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Solution

The fourth proportional to 113,583.92, 156,738.48 and 65,833.52 is: 90,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,583.92 : 156,738.48 = 65,833.52 : x
  2. Step 2: Convert to fraction form
    113,583.92/156,738.48 = 65,833.52/x
  3. Step 3: Cross multiply
    113,583.92x = 156,738.48 × 65,833.52
  4. Step 4: Simplify right side
    113,583.92x = 10,318,645,857.85
  5. Step 5: Solve for x
    x = 10,318,645,857.85/113,583.92
  6. Step 6: Final answer
    x = 90,846.01

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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.