Home / 88,945.05-122,788.80-68,756.34

Finding the Fourth Proportional to 88,945.05, 122,788.80 and 68,756.34

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Solution

The fourth proportional to 88,945.05, 122,788.80 and 68,756.34 is: 94,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,945.05 : 122,788.80 = 68,756.34 : x
  2. Step 2: Convert to fraction form
    88,945.05/122,788.80 = 68,756.34/x
  3. Step 3: Cross multiply
    88,945.05x = 122,788.80 × 68,756.34
  4. Step 4: Simplify right side
    88,945.05x = 8,442,508,480.99
  5. Step 5: Solve for x
    x = 8,442,508,480.99/88,945.05
  6. Step 6: Final answer
    x = 94,918.25

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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.