Home / 79,867.45-110,252.51-51,586.93

Finding the Fourth Proportional to 79,867.45, 110,252.51 and 51,586.93

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Solution

The fourth proportional to 79,867.45, 110,252.51 and 51,586.93 is: 71,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,867.45 : 110,252.51 = 51,586.93 : x
  2. Step 2: Convert to fraction form
    79,867.45/110,252.51 = 51,586.93/x
  3. Step 3: Cross multiply
    79,867.45x = 110,252.51 × 51,586.93
  4. Step 4: Simplify right side
    79,867.45x = 5,687,588,515.69
  5. Step 5: Solve for x
    x = 5,687,588,515.69/79,867.45
  6. Step 6: Final answer
    x = 71,212.85

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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.