Home / 126,050.36-173,941.60-72,339.80

Finding the Fourth Proportional to 126,050.36, 173,941.60 and 72,339.80

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Solution

The fourth proportional to 126,050.36, 173,941.60 and 72,339.80 is: 99,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,050.36 : 173,941.60 = 72,339.80 : x
  2. Step 2: Convert to fraction form
    126,050.36/173,941.60 = 72,339.80/x
  3. Step 3: Cross multiply
    126,050.36x = 173,941.60 × 72,339.80
  4. Step 4: Simplify right side
    126,050.36x = 12,582,900,555.68
  5. Step 5: Solve for x
    x = 12,582,900,555.68/126,050.36
  6. Step 6: Final answer
    x = 99,824.39

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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.