Home / 107,336.86-148,121.99-64,340.64

Finding the Fourth Proportional to 107,336.86, 148,121.99 and 64,340.64

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Solution

The fourth proportional to 107,336.86, 148,121.99 and 64,340.64 is: 88,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,336.86 : 148,121.99 = 64,340.64 : x
  2. Step 2: Convert to fraction form
    107,336.86/148,121.99 = 64,340.64/x
  3. Step 3: Cross multiply
    107,336.86x = 148,121.99 × 64,340.64
  4. Step 4: Simplify right side
    107,336.86x = 9,530,263,312.97
  5. Step 5: Solve for x
    x = 9,530,263,312.97/107,336.86
  6. Step 6: Final answer
    x = 88,788.36

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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.