Home / 98,936.25-136,540.67-54,232.89

Finding the Fourth Proportional to 98,936.25, 136,540.67 and 54,232.89

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Solution

The fourth proportional to 98,936.25, 136,540.67 and 54,232.89 is: 74,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,936.25 : 136,540.67 = 54,232.89 : x
  2. Step 2: Convert to fraction form
    98,936.25/136,540.67 = 54,232.89/x
  3. Step 3: Cross multiply
    98,936.25x = 136,540.67 × 54,232.89
  4. Step 4: Simplify right side
    98,936.25x = 7,404,994,865.47
  5. Step 5: Solve for x
    x = 7,404,994,865.47/98,936.25
  6. Step 6: Final answer
    x = 74,846.12

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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.