Home / 68,205.85-94,121.41-37,990.38

Finding the Fourth Proportional to 68,205.85, 94,121.41 and 37,990.38

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Solution

The fourth proportional to 68,205.85, 94,121.41 and 37,990.38 is: 52,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,205.85 : 94,121.41 = 37,990.38 : x
  2. Step 2: Convert to fraction form
    68,205.85/94,121.41 = 37,990.38/x
  3. Step 3: Cross multiply
    68,205.85x = 94,121.41 × 37,990.38
  4. Step 4: Simplify right side
    68,205.85x = 3,575,708,461.25
  5. Step 5: Solve for x
    x = 3,575,708,461.25/68,205.85
  6. Step 6: Final answer
    x = 52,425.25

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Double scale
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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.