Home / 75,919.60-113,876.70-34,366.60

Finding the Fourth Proportional to 75,919.60, 113,876.70 and 34,366.60

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Solution

The fourth proportional to 75,919.60, 113,876.70 and 34,366.60 is: 51,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,919.60 : 113,876.70 = 34,366.60 : x
  2. Step 2: Convert to fraction form
    75,919.60/113,876.70 = 34,366.60/x
  3. Step 3: Cross multiply
    75,919.60x = 113,876.70 × 34,366.60
  4. Step 4: Simplify right side
    75,919.60x = 3,913,554,998.22
  5. Step 5: Solve for x
    x = 3,913,554,998.22/75,919.60
  6. Step 6: Final answer
    x = 51,548.68

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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.