Home / 98,197.35-135,512.51-55,755.89

Finding the Fourth Proportional to 98,197.35, 135,512.51 and 55,755.89

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Solution

The fourth proportional to 98,197.35, 135,512.51 and 55,755.89 is: 76,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,197.35 : 135,512.51 = 55,755.89 : x
  2. Step 2: Convert to fraction form
    98,197.35/135,512.51 = 55,755.89/x
  3. Step 3: Cross multiply
    98,197.35x = 135,512.51 × 55,755.89
  4. Step 4: Simplify right side
    98,197.35x = 7,555,620,601.18
  5. Step 5: Solve for x
    x = 7,555,620,601.18/98,197.35
  6. Step 6: Final answer
    x = 76,943.22

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1.5x scale

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.