Home / 99,236.39-136,946.87-53,914.36

Finding the Fourth Proportional to 99,236.39, 136,946.87 and 53,914.36

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Solution

The fourth proportional to 99,236.39, 136,946.87 and 53,914.36 is: 74,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,236.39 : 136,946.87 = 53,914.36 : x
  2. Step 2: Convert to fraction form
    99,236.39/136,946.87 = 53,914.36/x
  3. Step 3: Cross multiply
    99,236.39x = 136,946.87 × 53,914.36
  4. Step 4: Simplify right side
    99,236.39x = 7,383,402,850.05
  5. Step 5: Solve for x
    x = 7,383,402,850.05/99,236.39
  6. Step 6: Final answer
    x = 74,402.17

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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.