Home / 126,584.58-174,686.43-72,850.02

Finding the Fourth Proportional to 126,584.58, 174,686.43 and 72,850.02

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Solution

The fourth proportional to 126,584.58, 174,686.43 and 72,850.02 is: 100,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,584.58 : 174,686.43 = 72,850.02 : x
  2. Step 2: Convert to fraction form
    126,584.58/174,686.43 = 72,850.02/x
  3. Step 3: Cross multiply
    126,584.58x = 174,686.43 × 72,850.02
  4. Step 4: Simplify right side
    126,584.58x = 12,725,909,919.23
  5. Step 5: Solve for x
    x = 12,725,909,919.23/126,584.58
  6. Step 6: Final answer
    x = 100,532.86

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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.