Home / 67,505.58-101,140.82-43,836.78

Finding the Fourth Proportional to 67,505.58, 101,140.82 and 43,836.78

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Solution

The fourth proportional to 67,505.58, 101,140.82 and 43,836.78 is: 65,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,505.58 : 101,140.82 = 43,836.78 : x
  2. Step 2: Convert to fraction form
    67,505.58/101,140.82 = 43,836.78/x
  3. Step 3: Cross multiply
    67,505.58x = 101,140.82 × 43,836.78
  4. Step 4: Simplify right side
    67,505.58x = 4,433,687,875.36
  5. Step 5: Solve for x
    x = 4,433,687,875.36/67,505.58
  6. Step 6: Final answer
    x = 65,678.84

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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.