Home / 83,072.08-124,515.24-43,633.36

Finding the Fourth Proportional to 83,072.08, 124,515.24 and 43,633.36

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Solution

The fourth proportional to 83,072.08, 124,515.24 and 43,633.36 is: 65,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,072.08 : 124,515.24 = 43,633.36 : x
  2. Step 2: Convert to fraction form
    83,072.08/124,515.24 = 43,633.36/x
  3. Step 3: Cross multiply
    83,072.08x = 124,515.24 × 43,633.36
  4. Step 4: Simplify right side
    83,072.08x = 5,433,018,292.41
  5. Step 5: Solve for x
    x = 5,433,018,292.41/83,072.08
  6. Step 6: Final answer
    x = 65,401.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.