Home / 83,271.59-114,910.57-51,443.27

Finding the Fourth Proportional to 83,271.59, 114,910.57 and 51,443.27

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Solution

The fourth proportional to 83,271.59, 114,910.57 and 51,443.27 is: 70,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,271.59 : 114,910.57 = 51,443.27 : x
  2. Step 2: Convert to fraction form
    83,271.59/114,910.57 = 51,443.27/x
  3. Step 3: Cross multiply
    83,271.59x = 114,910.57 × 51,443.27
  4. Step 4: Simplify right side
    83,271.59x = 5,911,375,478.36
  5. Step 5: Solve for x
    x = 5,911,375,478.36/83,271.59
  6. Step 6: Final answer
    x = 70,989.10

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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.