Home / 79,836.53-119,833.57-42,396.49

Finding the Fourth Proportional to 79,836.53, 119,833.57 and 42,396.49

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Solution

The fourth proportional to 79,836.53, 119,833.57 and 42,396.49 is: 63,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,836.53 : 119,833.57 = 42,396.49 : x
  2. Step 2: Convert to fraction form
    79,836.53/119,833.57 = 42,396.49/x
  3. Step 3: Cross multiply
    79,836.53x = 119,833.57 × 42,396.49
  4. Step 4: Simplify right side
    79,836.53x = 5,080,522,903.46
  5. Step 5: Solve for x
    x = 5,080,522,903.46/79,836.53
  6. Step 6: Final answer
    x = 63,636.57

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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.