Home / 83,839.02-115,745.67-55,582.98

Finding the Fourth Proportional to 83,839.02, 115,745.67 and 55,582.98

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Solution

The fourth proportional to 83,839.02, 115,745.67 and 55,582.98 is: 76,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,839.02 : 115,745.67 = 55,582.98 : x
  2. Step 2: Convert to fraction form
    83,839.02/115,745.67 = 55,582.98/x
  3. Step 3: Cross multiply
    83,839.02x = 115,745.67 × 55,582.98
  4. Step 4: Simplify right side
    83,839.02x = 6,433,489,260.70
  5. Step 5: Solve for x
    x = 6,433,489,260.70/83,839.02
  6. Step 6: Final answer
    x = 76,736.22

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1.5x scale

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.