Home / 126,098.36-174,013.60-68,738.32

Finding the Fourth Proportional to 126,098.36, 174,013.60 and 68,738.32

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Solution

The fourth proportional to 126,098.36, 174,013.60 and 68,738.32 is: 94,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,098.36 : 174,013.60 = 68,738.32 : x
  2. Step 2: Convert to fraction form
    126,098.36/174,013.60 = 68,738.32/x
  3. Step 3: Cross multiply
    126,098.36x = 174,013.60 × 68,738.32
  4. Step 4: Simplify right side
    126,098.36x = 11,961,402,521.15
  5. Step 5: Solve for x
    x = 11,961,402,521.15/126,098.36
  6. Step 6: Final answer
    x = 94,857.72

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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.