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Finding the Fourth Proportional to 68,077.80, 102,010.04 and 43,065.04

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Solution

The fourth proportional to 68,077.80, 102,010.04 and 43,065.04 is: 64,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,077.80 : 102,010.04 = 43,065.04 : x
  2. Step 2: Convert to fraction form
    68,077.80/102,010.04 = 43,065.04/x
  3. Step 3: Cross multiply
    68,077.80x = 102,010.04 × 43,065.04
  4. Step 4: Simplify right side
    68,077.80x = 4,393,066,453.00
  5. Step 5: Solve for x
    x = 4,393,066,453.00/68,077.80
  6. Step 6: Final answer
    x = 64,530.09

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1.5x scale

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.