Home / 88,910.36-122,711.48-51,206.48

Finding the Fourth Proportional to 88,910.36, 122,711.48 and 51,206.48

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Solution

The fourth proportional to 88,910.36, 122,711.48 and 51,206.48 is: 70,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,910.36 : 122,711.48 = 51,206.48 : x
  2. Step 2: Convert to fraction form
    88,910.36/122,711.48 = 51,206.48/x
  3. Step 3: Cross multiply
    88,910.36x = 122,711.48 × 51,206.48
  4. Step 4: Simplify right side
    88,910.36x = 6,283,622,946.39
  5. Step 5: Solve for x
    x = 6,283,622,946.39/88,910.36
  6. Step 6: Final answer
    x = 70,673.69

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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.