Home / 96,712.64-145,068.26-68,131.96

Finding the Fourth Proportional to 96,712.64, 145,068.26 and 68,131.96

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Solution

The fourth proportional to 96,712.64, 145,068.26 and 68,131.96 is: 102,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,712.64 : 145,068.26 = 68,131.96 : x
  2. Step 2: Convert to fraction form
    96,712.64/145,068.26 = 68,131.96/x
  3. Step 3: Cross multiply
    96,712.64x = 145,068.26 × 68,131.96
  4. Step 4: Simplify right side
    96,712.64x = 9,883,784,887.59
  5. Step 5: Solve for x
    x = 9,883,784,887.59/96,712.64
  6. Step 6: Final answer
    x = 102,197.45

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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.