Home / 98,821.82-136,245.42-62,998.76

Finding the Fourth Proportional to 98,821.82, 136,245.42 and 62,998.76

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Solution

The fourth proportional to 98,821.82, 136,245.42 and 62,998.76 is: 86,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,821.82 : 136,245.42 = 62,998.76 : x
  2. Step 2: Convert to fraction form
    98,821.82/136,245.42 = 62,998.76/x
  3. Step 3: Cross multiply
    98,821.82x = 136,245.42 × 62,998.76
  4. Step 4: Simplify right side
    98,821.82x = 8,583,291,834.45
  5. Step 5: Solve for x
    x = 8,583,291,834.45/98,821.82
  6. Step 6: Final answer
    x = 86,856.25

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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.