Home / 88,729.92-122,445.68-50,488.64

Finding the Fourth Proportional to 88,729.92, 122,445.68 and 50,488.64

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Solution

The fourth proportional to 88,729.92, 122,445.68 and 50,488.64 is: 69,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.92 : 122,445.68 = 50,488.64 : x
  2. Step 2: Convert to fraction form
    88,729.92/122,445.68 = 50,488.64/x
  3. Step 3: Cross multiply
    88,729.92x = 122,445.68 × 50,488.64
  4. Step 4: Simplify right side
    88,729.92x = 6,182,115,857.08
  5. Step 5: Solve for x
    x = 6,182,115,857.08/88,729.92
  6. Step 6: Final answer
    x = 69,673.41

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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.