Home / 80,836.94-111,558.41-45,026.96

Finding the Fourth Proportional to 80,836.94, 111,558.41 and 45,026.96

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Solution

The fourth proportional to 80,836.94, 111,558.41 and 45,026.96 is: 62,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,836.94 : 111,558.41 = 45,026.96 : x
  2. Step 2: Convert to fraction form
    80,836.94/111,558.41 = 45,026.96/x
  3. Step 3: Cross multiply
    80,836.94x = 111,558.41 × 45,026.96
  4. Step 4: Simplify right side
    80,836.94x = 5,023,136,645.21
  5. Step 5: Solve for x
    x = 5,023,136,645.21/80,836.94
  6. Step 6: Final answer
    x = 62,139.13

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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.