Home / 75,851.64-113,677.83-65,943.72

Finding the Fourth Proportional to 75,851.64, 113,677.83 and 65,943.72

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Solution

The fourth proportional to 75,851.64, 113,677.83 and 65,943.72 is: 98,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,851.64 : 113,677.83 = 65,943.72 : x
  2. Step 2: Convert to fraction form
    75,851.64/113,677.83 = 65,943.72/x
  3. Step 3: Cross multiply
    75,851.64x = 113,677.83 × 65,943.72
  4. Step 4: Simplify right side
    75,851.64x = 7,496,338,991.73
  5. Step 5: Solve for x
    x = 7,496,338,991.73/75,851.64
  6. Step 6: Final answer
    x = 98,828.96

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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.