Home / 75,335.82-113,022.71-53,192.45

Finding the Fourth Proportional to 75,335.82, 113,022.71 and 53,192.45

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Solution

The fourth proportional to 75,335.82, 113,022.71 and 53,192.45 is: 79,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,335.82 : 113,022.71 = 53,192.45 : x
  2. Step 2: Convert to fraction form
    75,335.82/113,022.71 = 53,192.45/x
  3. Step 3: Cross multiply
    75,335.82x = 113,022.71 × 53,192.45
  4. Step 4: Simplify right side
    75,335.82x = 6,011,954,850.54
  5. Step 5: Solve for x
    x = 6,011,954,850.54/75,335.82
  6. Step 6: Final answer
    x = 79,802.08

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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.