Home / 77,447.22-116,308.75-63,433.78

Finding the Fourth Proportional to 77,447.22, 116,308.75 and 63,433.78

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Solution

The fourth proportional to 77,447.22, 116,308.75 and 63,433.78 is: 95,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,447.22 : 116,308.75 = 63,433.78 : x
  2. Step 2: Convert to fraction form
    77,447.22/116,308.75 = 63,433.78/x
  3. Step 3: Cross multiply
    77,447.22x = 116,308.75 × 63,433.78
  4. Step 4: Simplify right side
    77,447.22x = 7,377,903,659.58
  5. Step 5: Solve for x
    x = 7,377,903,659.58/77,447.22
  6. Step 6: Final answer
    x = 95,263.63

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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.