Home / 126,066.58-173,969.64-68,706.40

Finding the Fourth Proportional to 126,066.58, 173,969.64 and 68,706.40

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Solution

The fourth proportional to 126,066.58, 173,969.64 and 68,706.40 is: 94,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,066.58 : 173,969.64 = 68,706.40 : x
  2. Step 2: Convert to fraction form
    126,066.58/173,969.64 = 68,706.40/x
  3. Step 3: Cross multiply
    126,066.58x = 173,969.64 × 68,706.40
  4. Step 4: Simplify right side
    126,066.58x = 11,952,827,673.70
  5. Step 5: Solve for x
    x = 11,952,827,673.70/126,066.58
  6. Step 6: Final answer
    x = 94,813.61

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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.