Home / 126,098.12-174,015.64-68,737.91

Finding the Fourth Proportional to 126,098.12, 174,015.64 and 68,737.91

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Solution

The fourth proportional to 126,098.12, 174,015.64 and 68,737.91 is: 94,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,098.12 : 174,015.64 = 68,737.91 : x
  2. Step 2: Convert to fraction form
    126,098.12/174,015.64 = 68,737.91/x
  3. Step 3: Cross multiply
    126,098.12x = 174,015.64 × 68,737.91
  4. Step 4: Simplify right side
    126,098.12x = 11,961,470,358.99
  5. Step 5: Solve for x
    x = 11,961,470,358.99/126,098.12
  6. Step 6: Final answer
    x = 94,858.44

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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.