Home / 53,931.19-80,904.07-50,650.69

Finding the Fourth Proportional to 53,931.19, 80,904.07 and 50,650.69

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Solution

The fourth proportional to 53,931.19, 80,904.07 and 50,650.69 is: 75,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.19 : 80,904.07 = 50,650.69 : x
  2. Step 2: Convert to fraction form
    53,931.19/80,904.07 = 50,650.69/x
  3. Step 3: Cross multiply
    53,931.19x = 80,904.07 × 50,650.69
  4. Step 4: Simplify right side
    53,931.19x = 4,097,846,564.79
  5. Step 5: Solve for x
    x = 4,097,846,564.79/53,931.19
  6. Step 6: Final answer
    x = 75,982.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.