Home / 113,755.14-156,986.37-63,463.86

Finding the Fourth Proportional to 113,755.14, 156,986.37 and 63,463.86

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Solution

The fourth proportional to 113,755.14, 156,986.37 and 63,463.86 is: 87,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,755.14 : 156,986.37 = 63,463.86 : x
  2. Step 2: Convert to fraction form
    113,755.14/156,986.37 = 63,463.86/x
  3. Step 3: Cross multiply
    113,755.14x = 156,986.37 × 63,463.86
  4. Step 4: Simplify right side
    113,755.14x = 9,962,961,007.59
  5. Step 5: Solve for x
    x = 9,962,961,007.59/113,755.14
  6. Step 6: Final answer
    x = 87,582.51

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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.