Home / 98,212.62-135,533.43-53,500.62

Finding the Fourth Proportional to 98,212.62, 135,533.43 and 53,500.62

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Solution

The fourth proportional to 98,212.62, 135,533.43 and 53,500.62 is: 73,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,212.62 : 135,533.43 = 53,500.62 : x
  2. Step 2: Convert to fraction form
    98,212.62/135,533.43 = 53,500.62/x
  3. Step 3: Cross multiply
    98,212.62x = 135,533.43 × 53,500.62
  4. Step 4: Simplify right side
    98,212.62x = 7,251,122,535.73
  5. Step 5: Solve for x
    x = 7,251,122,535.73/98,212.62
  6. Step 6: Final answer
    x = 73,830.86

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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.