Home / 77,384.97-106,814.07-50,531.67

Finding the Fourth Proportional to 77,384.97, 106,814.07 and 50,531.67

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Solution

The fourth proportional to 77,384.97, 106,814.07 and 50,531.67 is: 69,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,384.97 : 106,814.07 = 50,531.67 : x
  2. Step 2: Convert to fraction form
    77,384.97/106,814.07 = 50,531.67/x
  3. Step 3: Cross multiply
    77,384.97x = 106,814.07 × 50,531.67
  4. Step 4: Simplify right side
    77,384.97x = 5,397,493,336.60
  5. Step 5: Solve for x
    x = 5,397,493,336.60/77,384.97
  6. Step 6: Final answer
    x = 69,748.60

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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.