Home / 75,161.21-103,672.54-48,337.64

Finding the Fourth Proportional to 75,161.21, 103,672.54 and 48,337.64

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Solution

The fourth proportional to 75,161.21, 103,672.54 and 48,337.64 is: 66,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,161.21 : 103,672.54 = 48,337.64 : x
  2. Step 2: Convert to fraction form
    75,161.21/103,672.54 = 48,337.64/x
  3. Step 3: Cross multiply
    75,161.21x = 103,672.54 × 48,337.64
  4. Step 4: Simplify right side
    75,161.21x = 5,011,285,916.41
  5. Step 5: Solve for x
    x = 5,011,285,916.41/75,161.21
  6. Step 6: Final answer
    x = 66,673.83

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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.