Home / 98,682.52-136,173.36-55,659.64

Finding the Fourth Proportional to 98,682.52, 136,173.36 and 55,659.64

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Solution

The fourth proportional to 98,682.52, 136,173.36 and 55,659.64 is: 76,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,682.52 : 136,173.36 = 55,659.64 : x
  2. Step 2: Convert to fraction form
    98,682.52/136,173.36 = 55,659.64/x
  3. Step 3: Cross multiply
    98,682.52x = 136,173.36 × 55,659.64
  4. Step 4: Simplify right side
    98,682.52x = 7,579,360,195.19
  5. Step 5: Solve for x
    x = 7,579,360,195.19/98,682.52
  6. Step 6: Final answer
    x = 76,805.50

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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.