Home / 68,780.80-94,937.70-44,911.05

Finding the Fourth Proportional to 68,780.80, 94,937.70 and 44,911.05

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Solution

The fourth proportional to 68,780.80, 94,937.70 and 44,911.05 is: 61,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,780.80 : 94,937.70 = 44,911.05 : x
  2. Step 2: Convert to fraction form
    68,780.80/94,937.70 = 44,911.05/x
  3. Step 3: Cross multiply
    68,780.80x = 94,937.70 × 44,911.05
  4. Step 4: Simplify right side
    68,780.80x = 4,263,751,791.59
  5. Step 5: Solve for x
    x = 4,263,751,791.59/68,780.80
  6. Step 6: Final answer
    x = 61,990.44

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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.