Home / 98,480.96-135,899.88-55,459.52

Finding the Fourth Proportional to 98,480.96, 135,899.88 and 55,459.52

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Solution

The fourth proportional to 98,480.96, 135,899.88 and 55,459.52 is: 76,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,480.96 : 135,899.88 = 55,459.52 : x
  2. Step 2: Convert to fraction form
    98,480.96/135,899.88 = 55,459.52/x
  3. Step 3: Cross multiply
    98,480.96x = 135,899.88 × 55,459.52
  4. Step 4: Simplify right side
    98,480.96x = 7,536,942,112.86
  5. Step 5: Solve for x
    x = 7,536,942,112.86/98,480.96
  6. Step 6: Final answer
    x = 76,531.97

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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.