Home / 77,659.64-116,470.20-33,281.36

Finding the Fourth Proportional to 77,659.64, 116,470.20 and 33,281.36

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Solution

The fourth proportional to 77,659.64, 116,470.20 and 33,281.36 is: 49,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,659.64 : 116,470.20 = 33,281.36 : x
  2. Step 2: Convert to fraction form
    77,659.64/116,470.20 = 33,281.36/x
  3. Step 3: Cross multiply
    77,659.64x = 116,470.20 × 33,281.36
  4. Step 4: Simplify right side
    77,659.64x = 3,876,286,655.47
  5. Step 5: Solve for x
    x = 3,876,286,655.47/77,659.64
  6. Step 6: Final answer
    x = 49,913.79

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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.