Home / 67,091.90-92,587.86-36,878.49

Finding the Fourth Proportional to 67,091.90, 92,587.86 and 36,878.49

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Solution

The fourth proportional to 67,091.90, 92,587.86 and 36,878.49 is: 50,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,091.90 : 92,587.86 = 36,878.49 : x
  2. Step 2: Convert to fraction form
    67,091.90/92,587.86 = 36,878.49/x
  3. Step 3: Cross multiply
    67,091.90x = 92,587.86 × 36,878.49
  4. Step 4: Simplify right side
    67,091.90x = 3,414,500,469.13
  5. Step 5: Solve for x
    x = 3,414,500,469.13/67,091.90
  6. Step 6: Final answer
    x = 50,892.89

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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.