Home / 98,825.44-136,380.72-54,110.56

Finding the Fourth Proportional to 98,825.44, 136,380.72 and 54,110.56

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Solution

The fourth proportional to 98,825.44, 136,380.72 and 54,110.56 is: 74,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,825.44 : 136,380.72 = 54,110.56 : x
  2. Step 2: Convert to fraction form
    98,825.44/136,380.72 = 54,110.56/x
  3. Step 3: Cross multiply
    98,825.44x = 136,380.72 × 54,110.56
  4. Step 4: Simplify right side
    98,825.44x = 7,379,637,132.40
  5. Step 5: Solve for x
    x = 7,379,637,132.40/98,825.44
  6. Step 6: Final answer
    x = 74,673.46

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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.