Home / 97,200.39-134,135.94-54,772.59

Finding the Fourth Proportional to 97,200.39, 134,135.94 and 54,772.59

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Solution

The fourth proportional to 97,200.39, 134,135.94 and 54,772.59 is: 75,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,200.39 : 134,135.94 = 54,772.59 : x
  2. Step 2: Convert to fraction form
    97,200.39/134,135.94 = 54,772.59/x
  3. Step 3: Cross multiply
    97,200.39x = 134,135.94 × 54,772.59
  4. Step 4: Simplify right side
    97,200.39x = 7,346,972,845.88
  5. Step 5: Solve for x
    x = 7,346,972,845.88/97,200.39
  6. Step 6: Final answer
    x = 75,585.84

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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.