Home / 79,868.70-110,254.23-51,588.18

Finding the Fourth Proportional to 79,868.70, 110,254.23 and 51,588.18

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Solution

The fourth proportional to 79,868.70, 110,254.23 and 51,588.18 is: 71,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,868.70 : 110,254.23 = 51,588.18 : x
  2. Step 2: Convert to fraction form
    79,868.70/110,254.23 = 51,588.18/x
  3. Step 3: Cross multiply
    79,868.70x = 110,254.23 × 51,588.18
  4. Step 4: Simplify right side
    79,868.70x = 5,687,815,063.00
  5. Step 5: Solve for x
    x = 5,687,815,063.00/79,868.70
  6. Step 6: Final answer
    x = 71,214.57

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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.