Home / 98,626.73-135,997.85-62,770.86

Finding the Fourth Proportional to 98,626.73, 135,997.85 and 62,770.86

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Solution

The fourth proportional to 98,626.73, 135,997.85 and 62,770.86 is: 86,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,626.73 : 135,997.85 = 62,770.86 : x
  2. Step 2: Convert to fraction form
    98,626.73/135,997.85 = 62,770.86/x
  3. Step 3: Cross multiply
    98,626.73x = 135,997.85 × 62,770.86
  4. Step 4: Simplify right side
    98,626.73x = 8,536,701,688.80
  5. Step 5: Solve for x
    x = 8,536,701,688.80/98,626.73
  6. Step 6: Final answer
    x = 86,555.66

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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.