Home / 77,433.77-106,896.22-51,930.88

Finding the Fourth Proportional to 77,433.77, 106,896.22 and 51,930.88

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Solution

The fourth proportional to 77,433.77, 106,896.22 and 51,930.88 is: 71,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433.77 : 106,896.22 = 51,930.88 : x
  2. Step 2: Convert to fraction form
    77,433.77/106,896.22 = 51,930.88/x
  3. Step 3: Cross multiply
    77,433.77x = 106,896.22 × 51,930.88
  4. Step 4: Simplify right side
    77,433.77x = 5,551,214,376.21
  5. Step 5: Solve for x
    x = 5,551,214,376.21/77,433.77
  6. Step 6: Final answer
    x = 71,689.84

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1.5x scale

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.