Home / 75,841.88-113,670.59-53,661.66

Finding the Fourth Proportional to 75,841.88, 113,670.59 and 53,661.66

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Solution

The fourth proportional to 75,841.88, 113,670.59 and 53,661.66 is: 80,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,841.88 : 113,670.59 = 53,661.66 : x
  2. Step 2: Convert to fraction form
    75,841.88/113,670.59 = 53,661.66/x
  3. Step 3: Cross multiply
    75,841.88x = 113,670.59 × 53,661.66
  4. Step 4: Simplify right side
    75,841.88x = 6,099,752,552.58
  5. Step 5: Solve for x
    x = 6,099,752,552.58/75,841.88
  6. Step 6: Final answer
    x = 80,427.23

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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.