Home / 126,065.58-173,968.26-68,705.40

Finding the Fourth Proportional to 126,065.58, 173,968.26 and 68,705.40

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Solution

The fourth proportional to 126,065.58, 173,968.26 and 68,705.40 is: 94,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,065.58 : 173,968.26 = 68,705.40 : x
  2. Step 2: Convert to fraction form
    126,065.58/173,968.26 = 68,705.40/x
  3. Step 3: Cross multiply
    126,065.58x = 173,968.26 × 68,705.40
  4. Step 4: Simplify right side
    126,065.58x = 11,952,558,890.60
  5. Step 5: Solve for x
    x = 11,952,558,890.60/126,065.58
  6. Step 6: Final answer
    x = 94,812.23

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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.