Home / 77,284.07-106,469.93-72,633.96

Finding the Fourth Proportional to 77,284.07, 106,469.93 and 72,633.96

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Solution

The fourth proportional to 77,284.07, 106,469.93 and 72,633.96 is: 100,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,284.07 : 106,469.93 = 72,633.96 : x
  2. Step 2: Convert to fraction form
    77,284.07/106,469.93 = 72,633.96/x
  3. Step 3: Cross multiply
    77,284.07x = 106,469.93 × 72,633.96
  4. Step 4: Simplify right side
    77,284.07x = 7,733,332,419.15
  5. Step 5: Solve for x
    x = 7,733,332,419.15/77,284.07
  6. Step 6: Final answer
    x = 100,063.74

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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.