Home / 75,769.51-113,491.45-61,473.82

Finding the Fourth Proportional to 75,769.51, 113,491.45 and 61,473.82

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Solution

The fourth proportional to 75,769.51, 113,491.45 and 61,473.82 is: 92,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,769.51 : 113,491.45 = 61,473.82 : x
  2. Step 2: Convert to fraction form
    75,769.51/113,491.45 = 61,473.82/x
  3. Step 3: Cross multiply
    75,769.51x = 113,491.45 × 61,473.82
  4. Step 4: Simplify right side
    75,769.51x = 6,976,752,094.01
  5. Step 5: Solve for x
    x = 6,976,752,094.01/75,769.51
  6. Step 6: Final answer
    x = 92,078.63

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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.