Home / 126,510.48-174,584.63-72,794.43

Finding the Fourth Proportional to 126,510.48, 174,584.63 and 72,794.43

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Solution

The fourth proportional to 126,510.48, 174,584.63 and 72,794.43 is: 100,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,510.48 : 174,584.63 = 72,794.43 : x
  2. Step 2: Convert to fraction form
    126,510.48/174,584.63 = 72,794.43/x
  3. Step 3: Cross multiply
    126,510.48x = 174,584.63 × 72,794.43
  4. Step 4: Simplify right side
    126,510.48x = 12,708,788,809.60
  5. Step 5: Solve for x
    x = 12,708,788,809.60/126,510.48
  6. Step 6: Final answer
    x = 100,456.41

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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.